Home / 19,723.60-29,542.20-17,534.80

Finding the Fourth Proportional to 19,723.60, 29,542.20 and 17,534.80

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Solution

The fourth proportional to 19,723.60, 29,542.20 and 17,534.80 is: 26,263.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723.60 : 29,542.20 = 17,534.80 : x
  2. Step 2: Convert to fraction form
    19,723.60/29,542.20 = 17,534.80/x
  3. Step 3: Cross multiply
    19,723.60x = 29,542.20 × 17,534.80
  4. Step 4: Simplify right side
    19,723.60x = 518,016,568.56
  5. Step 5: Solve for x
    x = 518,016,568.56/19,723.60
  6. Step 6: Final answer
    x = 26,263.79

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1.5x scale

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.