Home / 17,761.08-26,644.56-8,876.76

Finding the Fourth Proportional to 17,761.08, 26,644.56 and 8,876.76

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Solution

The fourth proportional to 17,761.08, 26,644.56 and 8,876.76 is: 13,316.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,761.08 : 26,644.56 = 8,876.76 : x
  2. Step 2: Convert to fraction form
    17,761.08/26,644.56 = 8,876.76/x
  3. Step 3: Cross multiply
    17,761.08x = 26,644.56 × 8,876.76
  4. Step 4: Simplify right side
    17,761.08x = 236,517,364.43
  5. Step 5: Solve for x
    x = 236,517,364.43/17,761.08
  6. Step 6: Final answer
    x = 13,316.61

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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.