Home / 23,115.52-31,899.28-13,044.08

Finding the Fourth Proportional to 23,115.52, 31,899.28 and 13,044.08

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Solution

The fourth proportional to 23,115.52, 31,899.28 and 13,044.08 is: 18,000.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,115.52 : 31,899.28 = 13,044.08 : x
  2. Step 2: Convert to fraction form
    23,115.52/31,899.28 = 13,044.08/x
  3. Step 3: Cross multiply
    23,115.52x = 31,899.28 × 13,044.08
  4. Step 4: Simplify right side
    23,115.52x = 416,096,760.26
  5. Step 5: Solve for x
    x = 416,096,760.26/23,115.52
  6. Step 6: Final answer
    x = 18,000.75

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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.