Home / 14,785.20-22,169.43-4,919.13

Finding the Fourth Proportional to 14,785.20, 22,169.43 and 4,919.13

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Solution

The fourth proportional to 14,785.20, 22,169.43 and 4,919.13 is: 7,375.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,785.20 : 22,169.43 = 4,919.13 : x
  2. Step 2: Convert to fraction form
    14,785.20/22,169.43 = 4,919.13/x
  3. Step 3: Cross multiply
    14,785.20x = 22,169.43 × 4,919.13
  4. Step 4: Simplify right side
    14,785.20x = 109,054,308.20
  5. Step 5: Solve for x
    x = 109,054,308.20/14,785.20
  6. Step 6: Final answer
    x = 7,375.91

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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.