Home / 19,562.28-29,355.72-9,702.12

Finding the Fourth Proportional to 19,562.28, 29,355.72 and 9,702.12

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Solution

The fourth proportional to 19,562.28, 29,355.72 and 9,702.12 is: 14,559.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,562.28 : 29,355.72 = 9,702.12 : x
  2. Step 2: Convert to fraction form
    19,562.28/29,355.72 = 9,702.12/x
  3. Step 3: Cross multiply
    19,562.28x = 29,355.72 × 9,702.12
  4. Step 4: Simplify right side
    19,562.28x = 284,812,718.13
  5. Step 5: Solve for x
    x = 284,812,718.13/19,562.28
  6. Step 6: Final answer
    x = 14,559.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.