Home / 23,719.20-32,731.92-13,108.56

Finding the Fourth Proportional to 23,719.20, 32,731.92 and 13,108.56

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Solution

The fourth proportional to 23,719.20, 32,731.92 and 13,108.56 is: 18,089.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,719.20 : 32,731.92 = 13,108.56 : x
  2. Step 2: Convert to fraction form
    23,719.20/32,731.92 = 13,108.56/x
  3. Step 3: Cross multiply
    23,719.20x = 32,731.92 × 13,108.56
  4. Step 4: Simplify right side
    23,719.20x = 429,068,337.24
  5. Step 5: Solve for x
    x = 429,068,337.24/23,719.20
  6. Step 6: Final answer
    x = 18,089.49

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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.