Home / 18,990.44-26,207.34-10,377.19

Finding the Fourth Proportional to 18,990.44, 26,207.34 and 10,377.19

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Solution

The fourth proportional to 18,990.44, 26,207.34 and 10,377.19 is: 14,320.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,990.44 : 26,207.34 = 10,377.19 : x
  2. Step 2: Convert to fraction form
    18,990.44/26,207.34 = 10,377.19/x
  3. Step 3: Cross multiply
    18,990.44x = 26,207.34 × 10,377.19
  4. Step 4: Simplify right side
    18,990.44x = 271,958,540.42
  5. Step 5: Solve for x
    x = 271,958,540.42/18,990.44
  6. Step 6: Final answer
    x = 14,320.81

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Half scale
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Double scale
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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.