Home / 23,731.60-32,747.30-13,119.78

Finding the Fourth Proportional to 23,731.60, 32,747.30 and 13,119.78

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Solution

The fourth proportional to 23,731.60, 32,747.30 and 13,119.78 is: 18,104.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,731.60 : 32,747.30 = 13,119.78 : x
  2. Step 2: Convert to fraction form
    23,731.60/32,747.30 = 13,119.78/x
  3. Step 3: Cross multiply
    23,731.60x = 32,747.30 × 13,119.78
  4. Step 4: Simplify right side
    23,731.60x = 429,637,371.59
  5. Step 5: Solve for x
    x = 429,637,371.59/23,731.60
  6. Step 6: Final answer
    x = 18,104.02

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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.