Home / 15,950.55-22,011.30-8,876.82

Finding the Fourth Proportional to 15,950.55, 22,011.30 and 8,876.82

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Solution

The fourth proportional to 15,950.55, 22,011.30 and 8,876.82 is: 12,249.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,950.55 : 22,011.30 = 8,876.82 : x
  2. Step 2: Convert to fraction form
    15,950.55/22,011.30 = 8,876.82/x
  3. Step 3: Cross multiply
    15,950.55x = 22,011.30 × 8,876.82
  4. Step 4: Simplify right side
    15,950.55x = 195,390,348.07
  5. Step 5: Solve for x
    x = 195,390,348.07/15,950.55
  6. Step 6: Final answer
    x = 12,249.76

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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.