Home / 12,523.11-18,764.83-10,171.71

Finding the Fourth Proportional to 12,523.11, 18,764.83 and 10,171.71

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Solution

The fourth proportional to 12,523.11, 18,764.83 and 10,171.71 is: 15,241.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.11 : 18,764.83 = 10,171.71 : x
  2. Step 2: Convert to fraction form
    12,523.11/18,764.83 = 10,171.71/x
  3. Step 3: Cross multiply
    12,523.11x = 18,764.83 × 10,171.71
  4. Step 4: Simplify right side
    12,523.11x = 190,870,421.67
  5. Step 5: Solve for x
    x = 190,870,421.67/12,523.11
  6. Step 6: Final answer
    x = 15,241.46

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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.