Home / 17,166.30-25,749.45-5,480.70

Finding the Fourth Proportional to 17,166.30, 25,749.45 and 5,480.70

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Solution

The fourth proportional to 17,166.30, 25,749.45 and 5,480.70 is: 8,221.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,166.30 : 25,749.45 = 5,480.70 : x
  2. Step 2: Convert to fraction form
    17,166.30/25,749.45 = 5,480.70/x
  3. Step 3: Cross multiply
    17,166.30x = 25,749.45 × 5,480.70
  4. Step 4: Simplify right side
    17,166.30x = 141,125,010.62
  5. Step 5: Solve for x
    x = 141,125,010.62/17,166.30
  6. Step 6: Final answer
    x = 8,221.05

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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.