Home / 18,282.26-25,229.62-9,898.76

Finding the Fourth Proportional to 18,282.26, 25,229.62 and 9,898.76

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Solution

The fourth proportional to 18,282.26, 25,229.62 and 9,898.76 is: 13,660.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.26 : 25,229.62 = 9,898.76 : x
  2. Step 2: Convert to fraction form
    18,282.26/25,229.62 = 9,898.76/x
  3. Step 3: Cross multiply
    18,282.26x = 25,229.62 × 9,898.76
  4. Step 4: Simplify right side
    18,282.26x = 249,741,953.27
  5. Step 5: Solve for x
    x = 249,741,953.27/18,282.26
  6. Step 6: Final answer
    x = 13,660.34

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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.