Home / 18,146.62-27,221.65-7,054.17

Finding the Fourth Proportional to 18,146.62, 27,221.65 and 7,054.17

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Solution

The fourth proportional to 18,146.62, 27,221.65 and 7,054.17 is: 10,581.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.62 : 27,221.65 = 7,054.17 : x
  2. Step 2: Convert to fraction form
    18,146.62/27,221.65 = 7,054.17/x
  3. Step 3: Cross multiply
    18,146.62x = 27,221.65 × 7,054.17
  4. Step 4: Simplify right side
    18,146.62x = 192,026,010.67
  5. Step 5: Solve for x
    x = 192,026,010.67/18,146.62
  6. Step 6: Final answer
    x = 10,581.92

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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.