Home / 13,070.57-18,052.17-8,614.10

Finding the Fourth Proportional to 13,070.57, 18,052.17 and 8,614.10

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Solution

The fourth proportional to 13,070.57, 18,052.17 and 8,614.10 is: 11,897.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070.57 : 18,052.17 = 8,614.10 : x
  2. Step 2: Convert to fraction form
    13,070.57/18,052.17 = 8,614.10/x
  3. Step 3: Cross multiply
    13,070.57x = 18,052.17 × 8,614.10
  4. Step 4: Simplify right side
    13,070.57x = 155,503,242.73
  5. Step 5: Solve for x
    x = 155,503,242.73/13,070.57
  6. Step 6: Final answer
    x = 11,897.21

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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.