Home / 14,744.70-20,346.75-8,371.62

Finding the Fourth Proportional to 14,744.70, 20,346.75 and 8,371.62

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Solution

The fourth proportional to 14,744.70, 20,346.75 and 8,371.62 is: 11,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,744.70 : 20,346.75 = 8,371.62 : x
  2. Step 2: Convert to fraction form
    14,744.70/20,346.75 = 8,371.62/x
  3. Step 3: Cross multiply
    14,744.70x = 20,346.75 × 8,371.62
  4. Step 4: Simplify right side
    14,744.70x = 170,335,259.24
  5. Step 5: Solve for x
    x = 170,335,259.24/14,744.70
  6. Step 6: Final answer
    x = 11,552.30

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Find fourth proportional to 7,372.35, 10,173.38 and 4,185.81
Half scale
Find fourth proportional to 29,489.40, 40,693.50 and 16,743.24
Double scale
Find fourth proportional to 14,745.70, 20,348.13 and 8,372.62
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.