Home / 18,432.62-27,646.56-8,434.46

Finding the Fourth Proportional to 18,432.62, 27,646.56 and 8,434.46

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Solution

The fourth proportional to 18,432.62, 27,646.56 and 8,434.46 is: 12,650.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432.62 : 27,646.56 = 8,434.46 : x
  2. Step 2: Convert to fraction form
    18,432.62/27,646.56 = 8,434.46/x
  3. Step 3: Cross multiply
    18,432.62x = 27,646.56 × 8,434.46
  4. Step 4: Simplify right side
    18,432.62x = 233,183,804.46
  5. Step 5: Solve for x
    x = 233,183,804.46/18,432.62
  6. Step 6: Final answer
    x = 12,650.61

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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.