Home / 18,847.12-28,270.66-11,051.68

Finding the Fourth Proportional to 18,847.12, 28,270.66 and 11,051.68

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Solution

The fourth proportional to 18,847.12, 28,270.66 and 11,051.68 is: 16,577.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,847.12 : 28,270.66 = 11,051.68 : x
  2. Step 2: Convert to fraction form
    18,847.12/28,270.66 = 11,051.68/x
  3. Step 3: Cross multiply
    18,847.12x = 28,270.66 × 11,051.68
  4. Step 4: Simplify right side
    18,847.12x = 312,438,287.71
  5. Step 5: Solve for x
    x = 312,438,287.71/18,847.12
  6. Step 6: Final answer
    x = 16,577.51

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Similar ratio
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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.