Home / 18,146.48-25,087.05-17,980.25

Finding the Fourth Proportional to 18,146.48, 25,087.05 and 17,980.25

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Solution

The fourth proportional to 18,146.48, 25,087.05 and 17,980.25 is: 24,857.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.48 : 25,087.05 = 17,980.25 : x
  2. Step 2: Convert to fraction form
    18,146.48/25,087.05 = 17,980.25/x
  3. Step 3: Cross multiply
    18,146.48x = 25,087.05 × 17,980.25
  4. Step 4: Simplify right side
    18,146.48x = 451,071,305.33
  5. Step 5: Solve for x
    x = 451,071,305.33/18,146.48
  6. Step 6: Final answer
    x = 24,857.24

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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.