Home / 22,863.20-34,316.40-14,115.20

Finding the Fourth Proportional to 22,863.20, 34,316.40 and 14,115.20

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Solution

The fourth proportional to 22,863.20, 34,316.40 and 14,115.20 is: 21,186.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,863.20 : 34,316.40 = 14,115.20 : x
  2. Step 2: Convert to fraction form
    22,863.20/34,316.40 = 14,115.20/x
  3. Step 3: Cross multiply
    22,863.20x = 34,316.40 × 14,115.20
  4. Step 4: Simplify right side
    22,863.20x = 484,382,849.28
  5. Step 5: Solve for x
    x = 484,382,849.28/22,863.20
  6. Step 6: Final answer
    x = 21,186.14

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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.