Home / 18,180.22-25,102.80-14,194.34

Finding the Fourth Proportional to 18,180.22, 25,102.80 and 14,194.34

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Solution

The fourth proportional to 18,180.22, 25,102.80 and 14,194.34 is: 19,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.22 : 25,102.80 = 14,194.34 : x
  2. Step 2: Convert to fraction form
    18,180.22/25,102.80 = 14,194.34/x
  3. Step 3: Cross multiply
    18,180.22x = 25,102.80 × 14,194.34
  4. Step 4: Simplify right side
    18,180.22x = 356,317,678.15
  5. Step 5: Solve for x
    x = 356,317,678.15/18,180.22
  6. Step 6: Final answer
    x = 19,599.20

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