Home / 14,760.42-20,356.85-12,472.02

Finding the Fourth Proportional to 14,760.42, 20,356.85 and 12,472.02

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Solution

The fourth proportional to 14,760.42, 20,356.85 and 12,472.02 is: 17,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,760.42 : 20,356.85 = 12,472.02 : x
  2. Step 2: Convert to fraction form
    14,760.42/20,356.85 = 12,472.02/x
  3. Step 3: Cross multiply
    14,760.42x = 20,356.85 × 12,472.02
  4. Step 4: Simplify right side
    14,760.42x = 253,891,124.71
  5. Step 5: Solve for x
    x = 253,891,124.71/14,760.42
  6. Step 6: Final answer
    x = 17,200.80

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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.