Home / 14,052.12-19,391.38-8,085.71

Finding the Fourth Proportional to 14,052.12, 19,391.38 and 8,085.71

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Solution

The fourth proportional to 14,052.12, 19,391.38 and 8,085.71 is: 11,157.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,052.12 : 19,391.38 = 8,085.71 : x
  2. Step 2: Convert to fraction form
    14,052.12/19,391.38 = 8,085.71/x
  3. Step 3: Cross multiply
    14,052.12x = 19,391.38 × 8,085.71
  4. Step 4: Simplify right side
    14,052.12x = 156,793,039.85
  5. Step 5: Solve for x
    x = 156,793,039.85/14,052.12
  6. Step 6: Final answer
    x = 11,157.97

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Half scale
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Double scale
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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.