Home / 26,545.76-36,644.64-17,129.60

Finding the Fourth Proportional to 26,545.76, 36,644.64 and 17,129.60

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Solution

The fourth proportional to 26,545.76, 36,644.64 and 17,129.60 is: 23,646.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,545.76 : 36,644.64 = 17,129.60 : x
  2. Step 2: Convert to fraction form
    26,545.76/36,644.64 = 17,129.60/x
  3. Step 3: Cross multiply
    26,545.76x = 36,644.64 × 17,129.60
  4. Step 4: Simplify right side
    26,545.76x = 627,708,025.34
  5. Step 5: Solve for x
    x = 627,708,025.34/26,545.76
  6. Step 6: Final answer
    x = 23,646.26

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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.