Home / 27,416.20-41,124.30-9,879.70

Finding the Fourth Proportional to 27,416.20, 41,124.30 and 9,879.70

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Solution

The fourth proportional to 27,416.20, 41,124.30 and 9,879.70 is: 14,819.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,416.20 : 41,124.30 = 9,879.70 : x
  2. Step 2: Convert to fraction form
    27,416.20/41,124.30 = 9,879.70/x
  3. Step 3: Cross multiply
    27,416.20x = 41,124.30 × 9,879.70
  4. Step 4: Simplify right side
    27,416.20x = 406,295,746.71
  5. Step 5: Solve for x
    x = 406,295,746.71/27,416.20
  6. Step 6: Final answer
    x = 14,819.55

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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.