Home / 18,445.53-27,668.28-6,759.66

Finding the Fourth Proportional to 18,445.53, 27,668.28 and 6,759.66

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Solution

The fourth proportional to 18,445.53, 27,668.28 and 6,759.66 is: 10,139.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445.53 : 27,668.28 = 6,759.66 : x
  2. Step 2: Convert to fraction form
    18,445.53/27,668.28 = 6,759.66/x
  3. Step 3: Cross multiply
    18,445.53x = 27,668.28 × 6,759.66
  4. Step 4: Simplify right side
    18,445.53x = 187,028,165.58
  5. Step 5: Solve for x
    x = 187,028,165.58/18,445.53
  6. Step 6: Final answer
    x = 10,139.48

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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.