Home / 15,961.76-22,016.40-9,333.92

Finding the Fourth Proportional to 15,961.76, 22,016.40 and 9,333.92

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Solution

The fourth proportional to 15,961.76, 22,016.40 and 9,333.92 is: 12,874.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961.76 : 22,016.40 = 9,333.92 : x
  2. Step 2: Convert to fraction form
    15,961.76/22,016.40 = 9,333.92/x
  3. Step 3: Cross multiply
    15,961.76x = 22,016.40 × 9,333.92
  4. Step 4: Simplify right side
    15,961.76x = 205,499,316.29
  5. Step 5: Solve for x
    x = 205,499,316.29/15,961.76
  6. Step 6: Final answer
    x = 12,874.48

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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.