Home / 18,850.55-28,275.21-5,701.82

Finding the Fourth Proportional to 18,850.55, 28,275.21 and 5,701.82

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Solution

The fourth proportional to 18,850.55, 28,275.21 and 5,701.82 is: 8,552.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.55 : 28,275.21 = 5,701.82 : x
  2. Step 2: Convert to fraction form
    18,850.55/28,275.21 = 5,701.82/x
  3. Step 3: Cross multiply
    18,850.55x = 28,275.21 × 5,701.82
  4. Step 4: Simplify right side
    18,850.55x = 161,220,016.51
  5. Step 5: Solve for x
    x = 161,220,016.51/18,850.55
  6. Step 6: Final answer
    x = 8,552.54

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Half scale
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Double scale
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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.