Home / 18,432.08-27,631.75-7,184.82

Finding the Fourth Proportional to 18,432.08, 27,631.75 and 7,184.82

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Solution

The fourth proportional to 18,432.08, 27,631.75 and 7,184.82 is: 10,770.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432.08 : 27,631.75 = 7,184.82 : x
  2. Step 2: Convert to fraction form
    18,432.08/27,631.75 = 7,184.82/x
  3. Step 3: Cross multiply
    18,432.08x = 27,631.75 × 7,184.82
  4. Step 4: Simplify right side
    18,432.08x = 198,529,150.04
  5. Step 5: Solve for x
    x = 198,529,150.04/18,432.08
  6. Step 6: Final answer
    x = 10,770.85

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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.