Home / 18,301.96-27,217.49-17,718.76

Finding the Fourth Proportional to 18,301.96, 27,217.49 and 17,718.76

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Solution

The fourth proportional to 18,301.96, 27,217.49 and 17,718.76 is: 26,350.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.96 : 27,217.49 = 17,718.76 : x
  2. Step 2: Convert to fraction form
    18,301.96/27,217.49 = 17,718.76/x
  3. Step 3: Cross multiply
    18,301.96x = 27,217.49 × 17,718.76
  4. Step 4: Simplify right side
    18,301.96x = 482,260,173.11
  5. Step 5: Solve for x
    x = 482,260,173.11/18,301.96
  6. Step 6: Final answer
    x = 26,350.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.