Home / 18,806.24-25,951.48-10,306.66

Finding the Fourth Proportional to 18,806.24, 25,951.48 and 10,306.66

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Solution

The fourth proportional to 18,806.24, 25,951.48 and 10,306.66 is: 14,222.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,806.24 : 25,951.48 = 10,306.66 : x
  2. Step 2: Convert to fraction form
    18,806.24/25,951.48 = 10,306.66/x
  3. Step 3: Cross multiply
    18,806.24x = 25,951.48 × 10,306.66
  4. Step 4: Simplify right side
    18,806.24x = 267,473,080.86
  5. Step 5: Solve for x
    x = 267,473,080.86/18,806.24
  6. Step 6: Final answer
    x = 14,222.57

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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.