Home / 22,841.28-31,530.68-13,891.65

Finding the Fourth Proportional to 22,841.28, 31,530.68 and 13,891.65

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Solution

The fourth proportional to 22,841.28, 31,530.68 and 13,891.65 is: 19,176.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,841.28 : 31,530.68 = 13,891.65 : x
  2. Step 2: Convert to fraction form
    22,841.28/31,530.68 = 13,891.65/x
  3. Step 3: Cross multiply
    22,841.28x = 31,530.68 × 13,891.65
  4. Step 4: Simplify right side
    22,841.28x = 438,013,101.36
  5. Step 5: Solve for x
    x = 438,013,101.36/22,841.28
  6. Step 6: Final answer
    x = 19,176.38

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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.