Home / 17,140.33-25,713.20-7,279.66

Finding the Fourth Proportional to 17,140.33, 25,713.20 and 7,279.66

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Solution

The fourth proportional to 17,140.33, 25,713.20 and 7,279.66 is: 10,920.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,140.33 : 25,713.20 = 7,279.66 : x
  2. Step 2: Convert to fraction form
    17,140.33/25,713.20 = 7,279.66/x
  3. Step 3: Cross multiply
    17,140.33x = 25,713.20 × 7,279.66
  4. Step 4: Simplify right side
    17,140.33x = 187,183,353.51
  5. Step 5: Solve for x
    x = 187,183,353.51/17,140.33
  6. Step 6: Final answer
    x = 10,920.64

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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.