Home / 14,081.99-19,437.46-8,117.62

Finding the Fourth Proportional to 14,081.99, 19,437.46 and 8,117.62

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Solution

The fourth proportional to 14,081.99, 19,437.46 and 8,117.62 is: 11,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,081.99 : 19,437.46 = 8,117.62 : x
  2. Step 2: Convert to fraction form
    14,081.99/19,437.46 = 8,117.62/x
  3. Step 3: Cross multiply
    14,081.99x = 19,437.46 × 8,117.62
  4. Step 4: Simplify right side
    14,081.99x = 157,785,845.16
  5. Step 5: Solve for x
    x = 157,785,845.16/14,081.99
  6. Step 6: Final answer
    x = 11,204.80

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.