Home / 18,241.19-25,172.87-9,857.69

Finding the Fourth Proportional to 18,241.19, 25,172.87 and 9,857.69

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Solution

The fourth proportional to 18,241.19, 25,172.87 and 9,857.69 is: 13,603.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241.19 : 25,172.87 = 9,857.69 : x
  2. Step 2: Convert to fraction form
    18,241.19/25,172.87 = 9,857.69/x
  3. Step 3: Cross multiply
    18,241.19x = 25,172.87 × 9,857.69
  4. Step 4: Simplify right side
    18,241.19x = 248,146,348.87
  5. Step 5: Solve for x
    x = 248,146,348.87/18,241.19
  6. Step 6: Final answer
    x = 13,603.63

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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.