Home / 18,340.27-25,309.70-9,956.77

Finding the Fourth Proportional to 18,340.27, 25,309.70 and 9,956.77

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Solution

The fourth proportional to 18,340.27, 25,309.70 and 9,956.77 is: 13,740.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.27 : 25,309.70 = 9,956.77 : x
  2. Step 2: Convert to fraction form
    18,340.27/25,309.70 = 9,956.77/x
  3. Step 3: Cross multiply
    18,340.27x = 25,309.70 × 9,956.77
  4. Step 4: Simplify right side
    18,340.27x = 252,002,785.95
  5. Step 5: Solve for x
    x = 252,002,785.95/18,340.27
  6. Step 6: Final answer
    x = 13,740.41

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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.