Home / 19,251.14-28,843.90-15,555.11

Finding the Fourth Proportional to 19,251.14, 28,843.90 and 15,555.11

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Solution

The fourth proportional to 19,251.14, 28,843.90 and 15,555.11 is: 23,306.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251.14 : 28,843.90 = 15,555.11 : x
  2. Step 2: Convert to fraction form
    19,251.14/28,843.90 = 15,555.11/x
  3. Step 3: Cross multiply
    19,251.14x = 28,843.90 × 15,555.11
  4. Step 4: Simplify right side
    19,251.14x = 448,669,854.22
  5. Step 5: Solve for x
    x = 448,669,854.22/19,251.14
  6. Step 6: Final answer
    x = 23,306.15

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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.