Home / 15,950.25-22,011.35-8,876.68

Finding the Fourth Proportional to 15,950.25, 22,011.35 and 8,876.68

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Solution

The fourth proportional to 15,950.25, 22,011.35 and 8,876.68 is: 12,249.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,950.25 : 22,011.35 = 8,876.68 : x
  2. Step 2: Convert to fraction form
    15,950.25/22,011.35 = 8,876.68/x
  3. Step 3: Cross multiply
    15,950.25x = 22,011.35 × 8,876.68
  4. Step 4: Simplify right side
    15,950.25x = 195,387,610.91
  5. Step 5: Solve for x
    x = 195,387,610.91/15,950.25
  6. Step 6: Final answer
    x = 12,249.81

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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.