Home / 17,849.20-24,631.52-9,891.36

Finding the Fourth Proportional to 17,849.20, 24,631.52 and 9,891.36

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Solution

The fourth proportional to 17,849.20, 24,631.52 and 9,891.36 is: 13,649.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,849.20 : 24,631.52 = 9,891.36 : x
  2. Step 2: Convert to fraction form
    17,849.20/24,631.52 = 9,891.36/x
  3. Step 3: Cross multiply
    17,849.20x = 24,631.52 × 9,891.36
  4. Step 4: Simplify right side
    17,849.20x = 243,639,231.67
  5. Step 5: Solve for x
    x = 243,639,231.67/17,849.20
  6. Step 6: Final answer
    x = 13,649.87

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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.