Home / 18,494.86-25,516.66-10,531.44

Finding the Fourth Proportional to 18,494.86, 25,516.66 and 10,531.44

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Solution

The fourth proportional to 18,494.86, 25,516.66 and 10,531.44 is: 14,529.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,494.86 : 25,516.66 = 10,531.44 : x
  2. Step 2: Convert to fraction form
    18,494.86/25,516.66 = 10,531.44/x
  3. Step 3: Cross multiply
    18,494.86x = 25,516.66 × 10,531.44
  4. Step 4: Simplify right side
    18,494.86x = 268,727,173.79
  5. Step 5: Solve for x
    x = 268,727,173.79/18,494.86
  6. Step 6: Final answer
    x = 14,529.83

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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.