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Finding the Fourth Proportional to 15,079.00, 20,795.40 and 9,414.27

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Solution

The fourth proportional to 15,079.00, 20,795.40 and 9,414.27 is: 12,983.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,079.00 : 20,795.40 = 9,414.27 : x
  2. Step 2: Convert to fraction form
    15,079.00/20,795.40 = 9,414.27/x
  3. Step 3: Cross multiply
    15,079.00x = 20,795.40 × 9,414.27
  4. Step 4: Simplify right side
    15,079.00x = 195,773,510.36
  5. Step 5: Solve for x
    x = 195,773,510.36/15,079.00
  6. Step 6: Final answer
    x = 12,983.19

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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.