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Finding the Fourth Proportional to 14,737.85, 20,332.20 and 9,070.88

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Solution

The fourth proportional to 14,737.85, 20,332.20 and 9,070.88 is: 12,514.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,737.85 : 20,332.20 = 9,070.88 : x
  2. Step 2: Convert to fraction form
    14,737.85/20,332.20 = 9,070.88/x
  3. Step 3: Cross multiply
    14,737.85x = 20,332.20 × 9,070.88
  4. Step 4: Simplify right side
    14,737.85x = 184,430,997.17
  5. Step 5: Solve for x
    x = 184,430,997.17/14,737.85
  6. Step 6: Final answer
    x = 12,514.11

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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.