Home / 14,773.28-20,380.56-9,731.03

Finding the Fourth Proportional to 14,773.28, 20,380.56 and 9,731.03

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Solution

The fourth proportional to 14,773.28, 20,380.56 and 9,731.03 is: 13,424.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,773.28 : 20,380.56 = 9,731.03 : x
  2. Step 2: Convert to fraction form
    14,773.28/20,380.56 = 9,731.03/x
  3. Step 3: Cross multiply
    14,773.28x = 20,380.56 × 9,731.03
  4. Step 4: Simplify right side
    14,773.28x = 198,323,840.78
  5. Step 5: Solve for x
    x = 198,323,840.78/14,773.28
  6. Step 6: Final answer
    x = 13,424.50

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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.