Home / 17,166.13-25,750.13-5,478.45

Finding the Fourth Proportional to 17,166.13, 25,750.13 and 5,478.45

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Solution

The fourth proportional to 17,166.13, 25,750.13 and 5,478.45 is: 8,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,166.13 : 25,750.13 = 5,478.45 : x
  2. Step 2: Convert to fraction form
    17,166.13/25,750.13 = 5,478.45/x
  3. Step 3: Cross multiply
    17,166.13x = 25,750.13 × 5,478.45
  4. Step 4: Simplify right side
    17,166.13x = 141,070,799.70
  5. Step 5: Solve for x
    x = 141,070,799.70/17,166.13
  6. Step 6: Final answer
    x = 8,217.97

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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.