Home / 23,720.25-32,731.11-13,108.44

Finding the Fourth Proportional to 23,720.25, 32,731.11 and 13,108.44

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Solution

The fourth proportional to 23,720.25, 32,731.11 and 13,108.44 is: 18,088.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,720.25 : 32,731.11 = 13,108.44 : x
  2. Step 2: Convert to fraction form
    23,720.25/32,731.11 = 13,108.44/x
  3. Step 3: Cross multiply
    23,720.25x = 32,731.11 × 13,108.44
  4. Step 4: Simplify right side
    23,720.25x = 429,053,791.57
  5. Step 5: Solve for x
    x = 429,053,791.57/23,720.25
  6. Step 6: Final answer
    x = 18,088.08

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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.