Home / 16,561.20-24,784.39-15,872.29

Finding the Fourth Proportional to 16,561.20, 24,784.39 and 15,872.29

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Solution

The fourth proportional to 16,561.20, 24,784.39 and 15,872.29 is: 23,753.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,561.20 : 24,784.39 = 15,872.29 : x
  2. Step 2: Convert to fraction form
    16,561.20/24,784.39 = 15,872.29/x
  3. Step 3: Cross multiply
    16,561.20x = 24,784.39 × 15,872.29
  4. Step 4: Simplify right side
    16,561.20x = 393,385,078.20
  5. Step 5: Solve for x
    x = 393,385,078.20/16,561.20
  6. Step 6: Final answer
    x = 23,753.42

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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.