Home / 18,660.03-25,752.66-13,936.11

Finding the Fourth Proportional to 18,660.03, 25,752.66 and 13,936.11

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Solution

The fourth proportional to 18,660.03, 25,752.66 and 13,936.11 is: 19,233.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660.03 : 25,752.66 = 13,936.11 : x
  2. Step 2: Convert to fraction form
    18,660.03/25,752.66 = 13,936.11/x
  3. Step 3: Cross multiply
    18,660.03x = 25,752.66 × 13,936.11
  4. Step 4: Simplify right side
    18,660.03x = 358,891,902.55
  5. Step 5: Solve for x
    x = 358,891,902.55/18,660.03
  6. Step 6: Final answer
    x = 19,233.19

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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.