Home / 22,116.76-30,518.68-13,163.04

Finding the Fourth Proportional to 22,116.76, 30,518.68 and 13,163.04

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Solution

The fourth proportional to 22,116.76, 30,518.68 and 13,163.04 is: 18,163.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,116.76 : 30,518.68 = 13,163.04 : x
  2. Step 2: Convert to fraction form
    22,116.76/30,518.68 = 13,163.04/x
  3. Step 3: Cross multiply
    22,116.76x = 30,518.68 × 13,163.04
  4. Step 4: Simplify right side
    22,116.76x = 401,718,605.59
  5. Step 5: Solve for x
    x = 401,718,605.59/22,116.76
  6. Step 6: Final answer
    x = 18,163.54

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Find fourth proportional to 11,058.38, 15,259.34 and 6,581.52
Half scale
Find fourth proportional to 44,233.52, 61,037.36 and 26,326.08
Double scale
Find fourth proportional to 22,117.76, 30,520.06 and 13,164.04
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.