Home / 15,027.15-22,520.19-5,657.76

Finding the Fourth Proportional to 15,027.15, 22,520.19 and 5,657.76

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Solution

The fourth proportional to 15,027.15, 22,520.19 and 5,657.76 is: 8,478.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027.15 : 22,520.19 = 5,657.76 : x
  2. Step 2: Convert to fraction form
    15,027.15/22,520.19 = 5,657.76/x
  3. Step 3: Cross multiply
    15,027.15x = 22,520.19 × 5,657.76
  4. Step 4: Simplify right side
    15,027.15x = 127,413,830.17
  5. Step 5: Solve for x
    x = 127,413,830.17/15,027.15
  6. Step 6: Final answer
    x = 8,478.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.