Home / 27,432.02-41,141.55-12,631.70

Finding the Fourth Proportional to 27,432.02, 41,141.55 and 12,631.70

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Solution

The fourth proportional to 27,432.02, 41,141.55 and 12,631.70 is: 18,944.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,432.02 : 41,141.55 = 12,631.70 : x
  2. Step 2: Convert to fraction form
    27,432.02/41,141.55 = 12,631.70/x
  3. Step 3: Cross multiply
    27,432.02x = 41,141.55 × 12,631.70
  4. Step 4: Simplify right side
    27,432.02x = 519,687,717.14
  5. Step 5: Solve for x
    x = 519,687,717.14/27,432.02
  6. Step 6: Final answer
    x = 18,944.57

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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.