Home / 23,758.31-32,787.38-13,147.72

Finding the Fourth Proportional to 23,758.31, 32,787.38 and 13,147.72

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Solution

The fourth proportional to 23,758.31, 32,787.38 and 13,147.72 is: 18,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,758.31 : 32,787.38 = 13,147.72 : x
  2. Step 2: Convert to fraction form
    23,758.31/32,787.38 = 13,147.72/x
  3. Step 3: Cross multiply
    23,758.31x = 32,787.38 × 13,147.72
  4. Step 4: Simplify right side
    23,758.31x = 431,079,242.67
  5. Step 5: Solve for x
    x = 431,079,242.67/23,758.31
  6. Step 6: Final answer
    x = 18,144.35

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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.