Home / 18,282.97-27,386.18-11,675.53

Finding the Fourth Proportional to 18,282.97, 27,386.18 and 11,675.53

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Solution

The fourth proportional to 18,282.97, 27,386.18 and 11,675.53 is: 17,488.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.97 : 27,386.18 = 11,675.53 : x
  2. Step 2: Convert to fraction form
    18,282.97/27,386.18 = 11,675.53/x
  3. Step 3: Cross multiply
    18,282.97x = 27,386.18 × 11,675.53
  4. Step 4: Simplify right side
    18,282.97x = 319,748,166.18
  5. Step 5: Solve for x
    x = 319,748,166.18/18,282.97
  6. Step 6: Final answer
    x = 17,488.85

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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.