Home / 20,830.59-31,244.97-6,039.18

Finding the Fourth Proportional to 20,830.59, 31,244.97 and 6,039.18

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Solution

The fourth proportional to 20,830.59, 31,244.97 and 6,039.18 is: 9,058.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,830.59 : 31,244.97 = 6,039.18 : x
  2. Step 2: Convert to fraction form
    20,830.59/31,244.97 = 6,039.18/x
  3. Step 3: Cross multiply
    20,830.59x = 31,244.97 × 6,039.18
  4. Step 4: Simplify right side
    20,830.59x = 188,693,997.92
  5. Step 5: Solve for x
    x = 188,693,997.92/20,830.59
  6. Step 6: Final answer
    x = 9,058.50

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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.