Home / 22,208.15-30,647.63-13,253.92

Finding the Fourth Proportional to 22,208.15, 30,647.63 and 13,253.92

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Solution

The fourth proportional to 22,208.15, 30,647.63 and 13,253.92 is: 18,290.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,208.15 : 30,647.63 = 13,253.92 : x
  2. Step 2: Convert to fraction form
    22,208.15/30,647.63 = 13,253.92/x
  3. Step 3: Cross multiply
    22,208.15x = 30,647.63 × 13,253.92
  4. Step 4: Simplify right side
    22,208.15x = 406,201,236.21
  5. Step 5: Solve for x
    x = 406,201,236.21/22,208.15
  6. Step 6: Final answer
    x = 18,290.64

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Double scale
Find fourth proportional to 22,209.15, 30,649.01 and 13,254.92
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.