Home / 15,142.52-22,685.16-8,573.42

Finding the Fourth Proportional to 15,142.52, 22,685.16 and 8,573.42

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Solution

The fourth proportional to 15,142.52, 22,685.16 and 8,573.42 is: 12,843.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,142.52 : 22,685.16 = 8,573.42 : x
  2. Step 2: Convert to fraction form
    15,142.52/22,685.16 = 8,573.42/x
  3. Step 3: Cross multiply
    15,142.52x = 22,685.16 × 8,573.42
  4. Step 4: Simplify right side
    15,142.52x = 194,489,404.45
  5. Step 5: Solve for x
    x = 194,489,404.45/15,142.52
  6. Step 6: Final answer
    x = 12,843.93

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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.