Home / 19,819.52-27,350.93-10,867.85

Finding the Fourth Proportional to 19,819.52, 27,350.93 and 10,867.85

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Solution

The fourth proportional to 19,819.52, 27,350.93 and 10,867.85 is: 14,997.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819.52 : 27,350.93 = 10,867.85 : x
  2. Step 2: Convert to fraction form
    19,819.52/27,350.93 = 10,867.85/x
  3. Step 3: Cross multiply
    19,819.52x = 27,350.93 × 10,867.85
  4. Step 4: Simplify right side
    19,819.52x = 297,245,613.51
  5. Step 5: Solve for x
    x = 297,245,613.51/19,819.52
  6. Step 6: Final answer
    x = 14,997.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.