Home / 18,292.26-25,243.44-9,908.76

Finding the Fourth Proportional to 18,292.26, 25,243.44 and 9,908.76

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Solution

The fourth proportional to 18,292.26, 25,243.44 and 9,908.76 is: 13,674.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,292.26 : 25,243.44 = 9,908.76 : x
  2. Step 2: Convert to fraction form
    18,292.26/25,243.44 = 9,908.76/x
  3. Step 3: Cross multiply
    18,292.26x = 25,243.44 × 9,908.76
  4. Step 4: Simplify right side
    18,292.26x = 250,131,188.53
  5. Step 5: Solve for x
    x = 250,131,188.53/18,292.26
  6. Step 6: Final answer
    x = 13,674.15

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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.