Home / 23,731.72-32,750.10-13,121.12

Finding the Fourth Proportional to 23,731.72, 32,750.10 and 13,121.12

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Solution

The fourth proportional to 23,731.72, 32,750.10 and 13,121.12 is: 18,107.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,731.72 : 32,750.10 = 13,121.12 : x
  2. Step 2: Convert to fraction form
    23,731.72/32,750.10 = 13,121.12/x
  3. Step 3: Cross multiply
    23,731.72x = 32,750.10 × 13,121.12
  4. Step 4: Simplify right side
    23,731.72x = 429,717,992.11
  5. Step 5: Solve for x
    x = 429,717,992.11/23,731.72
  6. Step 6: Final answer
    x = 18,107.33

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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.