Home / 18,210.96-25,121.61-11,494.17

Finding the Fourth Proportional to 18,210.96, 25,121.61 and 11,494.17

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Solution

The fourth proportional to 18,210.96, 25,121.61 and 11,494.17 is: 15,855.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,210.96 : 25,121.61 = 11,494.17 : x
  2. Step 2: Convert to fraction form
    18,210.96/25,121.61 = 11,494.17/x
  3. Step 3: Cross multiply
    18,210.96x = 25,121.61 × 11,494.17
  4. Step 4: Simplify right side
    18,210.96x = 288,752,056.01
  5. Step 5: Solve for x
    x = 288,752,056.01/18,210.96
  6. Step 6: Final answer
    x = 15,855.95

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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.