Home / 20,246.76-27,924.74-13,175.46

Finding the Fourth Proportional to 20,246.76, 27,924.74 and 13,175.46

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Solution

The fourth proportional to 20,246.76, 27,924.74 and 13,175.46 is: 18,171.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.76 : 27,924.74 = 13,175.46 : x
  2. Step 2: Convert to fraction form
    20,246.76/27,924.74 = 13,175.46/x
  3. Step 3: Cross multiply
    20,246.76x = 27,924.74 × 13,175.46
  4. Step 4: Simplify right side
    20,246.76x = 367,921,294.88
  5. Step 5: Solve for x
    x = 367,921,294.88/20,246.76
  6. Step 6: Final answer
    x = 18,171.86

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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.