Home / 18,301.82-25,256.61-10,344.78

Finding the Fourth Proportional to 18,301.82, 25,256.61 and 10,344.78

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Solution

The fourth proportional to 18,301.82, 25,256.61 and 10,344.78 is: 14,275.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.82 : 25,256.61 = 10,344.78 : x
  2. Step 2: Convert to fraction form
    18,301.82/25,256.61 = 10,344.78/x
  3. Step 3: Cross multiply
    18,301.82x = 25,256.61 × 10,344.78
  4. Step 4: Simplify right side
    18,301.82x = 261,274,074.00
  5. Step 5: Solve for x
    x = 261,274,074.00/18,301.82
  6. Step 6: Final answer
    x = 14,275.86

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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.