Home / 24,728.72-34,125.80-13,551.12

Finding the Fourth Proportional to 24,728.72, 34,125.80 and 13,551.12

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Solution

The fourth proportional to 24,728.72, 34,125.80 and 13,551.12 is: 18,700.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,728.72 : 34,125.80 = 13,551.12 : x
  2. Step 2: Convert to fraction form
    24,728.72/34,125.80 = 13,551.12/x
  3. Step 3: Cross multiply
    24,728.72x = 34,125.80 × 13,551.12
  4. Step 4: Simplify right side
    24,728.72x = 462,442,810.90
  5. Step 5: Solve for x
    x = 462,442,810.90/24,728.72
  6. Step 6: Final answer
    x = 18,700.64

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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.