Home / 19,525.76-29,287.58-5,486.78

Finding the Fourth Proportional to 19,525.76, 29,287.58 and 5,486.78

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Solution

The fourth proportional to 19,525.76, 29,287.58 and 5,486.78 is: 8,229.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,525.76 : 29,287.58 = 5,486.78 : x
  2. Step 2: Convert to fraction form
    19,525.76/29,287.58 = 5,486.78/x
  3. Step 3: Cross multiply
    19,525.76x = 29,287.58 × 5,486.78
  4. Step 4: Simplify right side
    19,525.76x = 160,694,508.19
  5. Step 5: Solve for x
    x = 160,694,508.19/19,525.76
  6. Step 6: Final answer
    x = 8,229.87

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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.