Home / 17,872.40-24,651.60-10,789.76

Finding the Fourth Proportional to 17,872.40, 24,651.60 and 10,789.76

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Solution

The fourth proportional to 17,872.40, 24,651.60 and 10,789.76 is: 14,882.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,872.40 : 24,651.60 = 10,789.76 : x
  2. Step 2: Convert to fraction form
    17,872.40/24,651.60 = 10,789.76/x
  3. Step 3: Cross multiply
    17,872.40x = 24,651.60 × 10,789.76
  4. Step 4: Simplify right side
    17,872.40x = 265,984,847.62
  5. Step 5: Solve for x
    x = 265,984,847.62/17,872.40
  6. Step 6: Final answer
    x = 14,882.44

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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.