Home / 12,425.91-18,614.27-8,046.45

Finding the Fourth Proportional to 12,425.91, 18,614.27 and 8,046.45

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Solution

The fourth proportional to 12,425.91, 18,614.27 and 8,046.45 is: 12,053.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425.91 : 18,614.27 = 8,046.45 : x
  2. Step 2: Convert to fraction form
    12,425.91/18,614.27 = 8,046.45/x
  3. Step 3: Cross multiply
    12,425.91x = 18,614.27 × 8,046.45
  4. Step 4: Simplify right side
    12,425.91x = 149,778,752.61
  5. Step 5: Solve for x
    x = 149,778,752.61/12,425.91
  6. Step 6: Final answer
    x = 12,053.75

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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.