Home / 18,293.72-25,245.33-9,910.22

Finding the Fourth Proportional to 18,293.72, 25,245.33 and 9,910.22

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Solution

The fourth proportional to 18,293.72, 25,245.33 and 9,910.22 is: 13,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.72 : 25,245.33 = 9,910.22 : x
  2. Step 2: Convert to fraction form
    18,293.72/25,245.33 = 9,910.22/x
  3. Step 3: Cross multiply
    18,293.72x = 25,245.33 × 9,910.22
  4. Step 4: Simplify right side
    18,293.72x = 250,186,774.27
  5. Step 5: Solve for x
    x = 250,186,774.27/18,293.72
  6. Step 6: Final answer
    x = 13,676.10

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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.