Home / 17,761.57-26,646.75-5,281.54

Finding the Fourth Proportional to 17,761.57, 26,646.75 and 5,281.54

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Solution

The fourth proportional to 17,761.57, 26,646.75 and 5,281.54 is: 7,923.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,761.57 : 26,646.75 = 5,281.54 : x
  2. Step 2: Convert to fraction form
    17,761.57/26,646.75 = 5,281.54/x
  3. Step 3: Cross multiply
    17,761.57x = 26,646.75 × 5,281.54
  4. Step 4: Simplify right side
    17,761.57x = 140,735,809.38
  5. Step 5: Solve for x
    x = 140,735,809.38/17,761.57
  6. Step 6: Final answer
    x = 7,923.61

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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.