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Finding the Fourth Proportional to 14,713.62, 20,300.13 and 9,127.86

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Solution

The fourth proportional to 14,713.62, 20,300.13 and 9,127.86 is: 12,593.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,713.62 : 20,300.13 = 9,127.86 : x
  2. Step 2: Convert to fraction form
    14,713.62/20,300.13 = 9,127.86/x
  3. Step 3: Cross multiply
    14,713.62x = 20,300.13 × 9,127.86
  4. Step 4: Simplify right side
    14,713.62x = 185,296,744.62
  5. Step 5: Solve for x
    x = 185,296,744.62/14,713.62
  6. Step 6: Final answer
    x = 12,593.55

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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.