Home / 15,064.24-20,789.66-8,350.16

Finding the Fourth Proportional to 15,064.24, 20,789.66 and 8,350.16

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Solution

The fourth proportional to 15,064.24, 20,789.66 and 8,350.16 is: 11,523.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,064.24 : 20,789.66 = 8,350.16 : x
  2. Step 2: Convert to fraction form
    15,064.24/20,789.66 = 8,350.16/x
  3. Step 3: Cross multiply
    15,064.24x = 20,789.66 × 8,350.16
  4. Step 4: Simplify right side
    15,064.24x = 173,596,987.35
  5. Step 5: Solve for x
    x = 173,596,987.35/15,064.24
  6. Step 6: Final answer
    x = 11,523.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.