Home / 27,785.28-41,670.24-12,199.04

Finding the Fourth Proportional to 27,785.28, 41,670.24 and 12,199.04

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Solution

The fourth proportional to 27,785.28, 41,670.24 and 12,199.04 is: 18,295.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,785.28 : 41,670.24 = 12,199.04 : x
  2. Step 2: Convert to fraction form
    27,785.28/41,670.24 = 12,199.04/x
  3. Step 3: Cross multiply
    27,785.28x = 41,670.24 × 12,199.04
  4. Step 4: Simplify right side
    27,785.28x = 508,336,924.57
  5. Step 5: Solve for x
    x = 508,336,924.57/27,785.28
  6. Step 6: Final answer
    x = 18,295.19

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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.