Home / 17,521.47-24,161.34-11,545.56

Finding the Fourth Proportional to 17,521.47, 24,161.34 and 11,545.56

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Solution

The fourth proportional to 17,521.47, 24,161.34 and 11,545.56 is: 15,920.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,521.47 : 24,161.34 = 11,545.56 : x
  2. Step 2: Convert to fraction form
    17,521.47/24,161.34 = 11,545.56/x
  3. Step 3: Cross multiply
    17,521.47x = 24,161.34 × 11,545.56
  4. Step 4: Simplify right side
    17,521.47x = 278,956,200.65
  5. Step 5: Solve for x
    x = 278,956,200.65/17,521.47
  6. Step 6: Final answer
    x = 15,920.82

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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.