Home / 18,192.66-25,105.06-10,126.74

Finding the Fourth Proportional to 18,192.66, 25,105.06 and 10,126.74

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Solution

The fourth proportional to 18,192.66, 25,105.06 and 10,126.74 is: 13,974.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.66 : 25,105.06 = 10,126.74 : x
  2. Step 2: Convert to fraction form
    18,192.66/25,105.06 = 10,126.74/x
  3. Step 3: Cross multiply
    18,192.66x = 25,105.06 × 10,126.74
  4. Step 4: Simplify right side
    18,192.66x = 254,232,239.15
  5. Step 5: Solve for x
    x = 254,232,239.15/18,192.66
  6. Step 6: Final answer
    x = 13,974.44

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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.