Home / 17,761.22-26,642.46-5,280.92

Finding the Fourth Proportional to 17,761.22, 26,642.46 and 5,280.92

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Solution

The fourth proportional to 17,761.22, 26,642.46 and 5,280.92 is: 7,921.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,761.22 : 26,642.46 = 5,280.92 : x
  2. Step 2: Convert to fraction form
    17,761.22/26,642.46 = 5,280.92/x
  3. Step 3: Cross multiply
    17,761.22x = 26,642.46 × 5,280.92
  4. Step 4: Simplify right side
    17,761.22x = 140,696,699.86
  5. Step 5: Solve for x
    x = 140,696,699.86/17,761.22
  6. Step 6: Final answer
    x = 7,921.57

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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.