Home / 18,282.33-25,229.63-9,898.83

Finding the Fourth Proportional to 18,282.33, 25,229.63 and 9,898.83

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Solution

The fourth proportional to 18,282.33, 25,229.63 and 9,898.83 is: 13,660.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.33 : 25,229.63 = 9,898.83 : x
  2. Step 2: Convert to fraction form
    18,282.33/25,229.63 = 9,898.83/x
  3. Step 3: Cross multiply
    18,282.33x = 25,229.63 × 9,898.83
  4. Step 4: Simplify right side
    18,282.33x = 249,743,768.84
  5. Step 5: Solve for x
    x = 249,743,768.84/18,282.33
  6. Step 6: Final answer
    x = 13,660.39

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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.