Home / 18,282.24-25,229.21-9,898.74

Finding the Fourth Proportional to 18,282.24, 25,229.21 and 9,898.74

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Solution

The fourth proportional to 18,282.24, 25,229.21 and 9,898.74 is: 13,660.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.24 : 25,229.21 = 9,898.74 : x
  2. Step 2: Convert to fraction form
    18,282.24/25,229.21 = 9,898.74/x
  3. Step 3: Cross multiply
    18,282.24x = 25,229.21 × 9,898.74
  4. Step 4: Simplify right side
    18,282.24x = 249,737,340.70
  5. Step 5: Solve for x
    x = 249,737,340.70/18,282.24
  6. Step 6: Final answer
    x = 13,660.11

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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.