Home / 19,754.80-29,627.75-5,711.70

Finding the Fourth Proportional to 19,754.80, 29,627.75 and 5,711.70

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Solution

The fourth proportional to 19,754.80, 29,627.75 and 5,711.70 is: 8,566.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,754.80 : 29,627.75 = 5,711.70 : x
  2. Step 2: Convert to fraction form
    19,754.80/29,627.75 = 5,711.70/x
  3. Step 3: Cross multiply
    19,754.80x = 29,627.75 × 5,711.70
  4. Step 4: Simplify right side
    19,754.80x = 169,224,819.68
  5. Step 5: Solve for x
    x = 169,224,819.68/19,754.80
  6. Step 6: Final answer
    x = 8,566.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.