Home / 15,652.52-21,600.35-8,578.92

Finding the Fourth Proportional to 15,652.52, 21,600.35 and 8,578.92

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Solution

The fourth proportional to 15,652.52, 21,600.35 and 8,578.92 is: 11,838.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,652.52 : 21,600.35 = 8,578.92 : x
  2. Step 2: Convert to fraction form
    15,652.52/21,600.35 = 8,578.92/x
  3. Step 3: Cross multiply
    15,652.52x = 21,600.35 × 8,578.92
  4. Step 4: Simplify right side
    15,652.52x = 185,307,793.16
  5. Step 5: Solve for x
    x = 185,307,793.16/15,652.52
  6. Step 6: Final answer
    x = 11,838.85

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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.