Home / 23,275.92-32,121.45-12,666.24

Finding the Fourth Proportional to 23,275.92, 32,121.45 and 12,666.24

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Solution

The fourth proportional to 23,275.92, 32,121.45 and 12,666.24 is: 17,479.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,275.92 : 32,121.45 = 12,666.24 : x
  2. Step 2: Convert to fraction form
    23,275.92/32,121.45 = 12,666.24/x
  3. Step 3: Cross multiply
    23,275.92x = 32,121.45 × 12,666.24
  4. Step 4: Simplify right side
    23,275.92x = 406,857,994.85
  5. Step 5: Solve for x
    x = 406,857,994.85/23,275.92
  6. Step 6: Final answer
    x = 17,479.78

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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.