Home / 18,306.11-27,459.15-15,833.58

Finding the Fourth Proportional to 18,306.11, 27,459.15 and 15,833.58

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Solution

The fourth proportional to 18,306.11, 27,459.15 and 15,833.58 is: 23,750.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306.11 : 27,459.15 = 15,833.58 : x
  2. Step 2: Convert to fraction form
    18,306.11/27,459.15 = 15,833.58/x
  3. Step 3: Cross multiply
    18,306.11x = 27,459.15 × 15,833.58
  4. Step 4: Simplify right side
    18,306.11x = 434,776,648.26
  5. Step 5: Solve for x
    x = 434,776,648.26/18,306.11
  6. Step 6: Final answer
    x = 23,750.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.