Home / 20,545.14-28,352.26-11,592.60

Finding the Fourth Proportional to 20,545.14, 28,352.26 and 11,592.60

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Solution

The fourth proportional to 20,545.14, 28,352.26 and 11,592.60 is: 15,997.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,545.14 : 28,352.26 = 11,592.60 : x
  2. Step 2: Convert to fraction form
    20,545.14/28,352.26 = 11,592.60/x
  3. Step 3: Cross multiply
    20,545.14x = 28,352.26 × 11,592.60
  4. Step 4: Simplify right side
    20,545.14x = 328,676,409.28
  5. Step 5: Solve for x
    x = 328,676,409.28/20,545.14
  6. Step 6: Final answer
    x = 15,997.77

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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.