Home / 18,806.20-25,951.36-10,306.82

Finding the Fourth Proportional to 18,806.20, 25,951.36 and 10,306.82

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Solution

The fourth proportional to 18,806.20, 25,951.36 and 10,306.82 is: 14,222.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,806.20 : 25,951.36 = 10,306.82 : x
  2. Step 2: Convert to fraction form
    18,806.20/25,951.36 = 10,306.82/x
  3. Step 3: Cross multiply
    18,806.20x = 25,951.36 × 10,306.82
  4. Step 4: Simplify right side
    18,806.20x = 267,475,938.07
  5. Step 5: Solve for x
    x = 267,475,938.07/18,806.20
  6. Step 6: Final answer
    x = 14,222.75

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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.