Home / 15,120.14-22,623.17-13,585.41

Finding the Fourth Proportional to 15,120.14, 22,623.17 and 13,585.41

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Solution

The fourth proportional to 15,120.14, 22,623.17 and 13,585.41 is: 20,326.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,120.14 : 22,623.17 = 13,585.41 : x
  2. Step 2: Convert to fraction form
    15,120.14/22,623.17 = 13,585.41/x
  3. Step 3: Cross multiply
    15,120.14x = 22,623.17 × 13,585.41
  4. Step 4: Simplify right side
    15,120.14x = 307,344,972.02
  5. Step 5: Solve for x
    x = 307,344,972.02/15,120.14
  6. Step 6: Final answer
    x = 20,326.87

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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.