Home / 19,641.55-29,500.13-16,836.79

Finding the Fourth Proportional to 19,641.55, 29,500.13 and 16,836.79

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Solution

The fourth proportional to 19,641.55, 29,500.13 and 16,836.79 is: 25,287.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,641.55 : 29,500.13 = 16,836.79 : x
  2. Step 2: Convert to fraction form
    19,641.55/29,500.13 = 16,836.79/x
  3. Step 3: Cross multiply
    19,641.55x = 29,500.13 × 16,836.79
  4. Step 4: Simplify right side
    19,641.55x = 496,687,493.78
  5. Step 5: Solve for x
    x = 496,687,493.78/19,641.55
  6. Step 6: Final answer
    x = 25,287.59

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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.