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Finding the Fourth Proportional to 14,493.54, 20,001.15 and 8,207.13

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Solution

The fourth proportional to 14,493.54, 20,001.15 and 8,207.13 is: 11,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,493.54 : 20,001.15 = 8,207.13 : x
  2. Step 2: Convert to fraction form
    14,493.54/20,001.15 = 8,207.13/x
  3. Step 3: Cross multiply
    14,493.54x = 20,001.15 × 8,207.13
  4. Step 4: Simplify right side
    14,493.54x = 164,152,038.20
  5. Step 5: Solve for x
    x = 164,152,038.20/14,493.54
  6. Step 6: Final answer
    x = 11,325.88

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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.