Home / 27,177.14-40,732.68-19,763.12

Finding the Fourth Proportional to 27,177.14, 40,732.68 and 19,763.12

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Solution

The fourth proportional to 27,177.14, 40,732.68 and 19,763.12 is: 29,620.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,177.14 : 40,732.68 = 19,763.12 : x
  2. Step 2: Convert to fraction form
    27,177.14/40,732.68 = 19,763.12/x
  3. Step 3: Cross multiply
    27,177.14x = 40,732.68 × 19,763.12
  4. Step 4: Simplify right side
    27,177.14x = 805,004,842.76
  5. Step 5: Solve for x
    x = 805,004,842.76/27,177.14
  6. Step 6: Final answer
    x = 29,620.66

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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.