Home / 27,479.13-41,221.68-8,754.77

Finding the Fourth Proportional to 27,479.13, 41,221.68 and 8,754.77

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Solution

The fourth proportional to 27,479.13, 41,221.68 and 8,754.77 is: 13,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,479.13 : 41,221.68 = 8,754.77 : x
  2. Step 2: Convert to fraction form
    27,479.13/41,221.68 = 8,754.77/x
  3. Step 3: Cross multiply
    27,479.13x = 41,221.68 × 8,754.77
  4. Step 4: Simplify right side
    27,479.13x = 360,886,121.31
  5. Step 5: Solve for x
    x = 360,886,121.31/27,479.13
  6. Step 6: Final answer
    x = 13,133.10

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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.