Home / 27,192.29-40,788.90-7,470.72

Finding the Fourth Proportional to 27,192.29, 40,788.90 and 7,470.72

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Solution

The fourth proportional to 27,192.29, 40,788.90 and 7,470.72 is: 11,206.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,192.29 : 40,788.90 = 7,470.72 : x
  2. Step 2: Convert to fraction form
    27,192.29/40,788.90 = 7,470.72/x
  3. Step 3: Cross multiply
    27,192.29x = 40,788.90 × 7,470.72
  4. Step 4: Simplify right side
    27,192.29x = 304,722,451.01
  5. Step 5: Solve for x
    x = 304,722,451.01/27,192.29
  6. Step 6: Final answer
    x = 11,206.21

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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.