Home / 18,241.39-25,173.13-9,857.89

Finding the Fourth Proportional to 18,241.39, 25,173.13 and 9,857.89

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Solution

The fourth proportional to 18,241.39, 25,173.13 and 9,857.89 is: 13,603.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241.39 : 25,173.13 = 9,857.89 : x
  2. Step 2: Convert to fraction form
    18,241.39/25,173.13 = 9,857.89/x
  3. Step 3: Cross multiply
    18,241.39x = 25,173.13 × 9,857.89
  4. Step 4: Simplify right side
    18,241.39x = 248,153,820.63
  5. Step 5: Solve for x
    x = 248,153,820.63/18,241.39
  6. Step 6: Final answer
    x = 13,603.89

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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.