Home / 15,041.26-20,757.65-8,668.81

Finding the Fourth Proportional to 15,041.26, 20,757.65 and 8,668.81

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Solution

The fourth proportional to 15,041.26, 20,757.65 and 8,668.81 is: 11,963.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,041.26 : 20,757.65 = 8,668.81 : x
  2. Step 2: Convert to fraction form
    15,041.26/20,757.65 = 8,668.81/x
  3. Step 3: Cross multiply
    15,041.26x = 20,757.65 × 8,668.81
  4. Step 4: Simplify right side
    15,041.26x = 179,944,123.90
  5. Step 5: Solve for x
    x = 179,944,123.90/15,041.26
  6. Step 6: Final answer
    x = 11,963.37

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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.