Home / 23,213.76-32,036.96-13,143.97

Finding the Fourth Proportional to 23,213.76, 32,036.96 and 13,143.97

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Solution

The fourth proportional to 23,213.76, 32,036.96 and 13,143.97 is: 18,139.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,213.76 : 32,036.96 = 13,143.97 : x
  2. Step 2: Convert to fraction form
    23,213.76/32,036.96 = 13,143.97/x
  3. Step 3: Cross multiply
    23,213.76x = 32,036.96 × 13,143.97
  4. Step 4: Simplify right side
    23,213.76x = 421,092,841.13
  5. Step 5: Solve for x
    x = 421,092,841.13/23,213.76
  6. Step 6: Final answer
    x = 18,139.79

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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.