Home / 15,169.26-22,759.29-7,777.20

Finding the Fourth Proportional to 15,169.26, 22,759.29 and 7,777.20

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Solution

The fourth proportional to 15,169.26, 22,759.29 and 7,777.20 is: 11,668.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,169.26 : 22,759.29 = 7,777.20 : x
  2. Step 2: Convert to fraction form
    15,169.26/22,759.29 = 7,777.20/x
  3. Step 3: Cross multiply
    15,169.26x = 22,759.29 × 7,777.20
  4. Step 4: Simplify right side
    15,169.26x = 177,003,550.19
  5. Step 5: Solve for x
    x = 177,003,550.19/15,169.26
  6. Step 6: Final answer
    x = 11,668.57

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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.