Home / 18,419.07-27,628.47-6,732.12

Finding the Fourth Proportional to 18,419.07, 27,628.47 and 6,732.12

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Solution

The fourth proportional to 18,419.07, 27,628.47 and 6,732.12 is: 10,098.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,419.07 : 27,628.47 = 6,732.12 : x
  2. Step 2: Convert to fraction form
    18,419.07/27,628.47 = 6,732.12/x
  3. Step 3: Cross multiply
    18,419.07x = 27,628.47 × 6,732.12
  4. Step 4: Simplify right side
    18,419.07x = 185,998,175.46
  5. Step 5: Solve for x
    x = 185,998,175.46/18,419.07
  6. Step 6: Final answer
    x = 10,098.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.