Home / 18,853.38-28,281.38-5,706.74

Finding the Fourth Proportional to 18,853.38, 28,281.38 and 5,706.74

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Solution

The fourth proportional to 18,853.38, 28,281.38 and 5,706.74 is: 8,560.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,853.38 : 28,281.38 = 5,706.74 : x
  2. Step 2: Convert to fraction form
    18,853.38/28,281.38 = 5,706.74/x
  3. Step 3: Cross multiply
    18,853.38x = 28,281.38 × 5,706.74
  4. Step 4: Simplify right side
    18,853.38x = 161,394,312.56
  5. Step 5: Solve for x
    x = 161,394,312.56/18,853.38
  6. Step 6: Final answer
    x = 8,560.50

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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.