Home / 15,177.53-22,731.92-8,145.29

Finding the Fourth Proportional to 15,177.53, 22,731.92 and 8,145.29

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Solution

The fourth proportional to 15,177.53, 22,731.92 and 8,145.29 is: 12,199.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177.53 : 22,731.92 = 8,145.29 : x
  2. Step 2: Convert to fraction form
    15,177.53/22,731.92 = 8,145.29/x
  3. Step 3: Cross multiply
    15,177.53x = 22,731.92 × 8,145.29
  4. Step 4: Simplify right side
    15,177.53x = 185,158,039.93
  5. Step 5: Solve for x
    x = 185,158,039.93/15,177.53
  6. Step 6: Final answer
    x = 12,199.48

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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.