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Finding the Fourth Proportional to 17,365.78, 23,949.03 and 11,395.18

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Solution

The fourth proportional to 17,365.78, 23,949.03 and 11,395.18 is: 15,715.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,365.78 : 23,949.03 = 11,395.18 : x
  2. Step 2: Convert to fraction form
    17,365.78/23,949.03 = 11,395.18/x
  3. Step 3: Cross multiply
    17,365.78x = 23,949.03 × 11,395.18
  4. Step 4: Simplify right side
    17,365.78x = 272,903,507.68
  5. Step 5: Solve for x
    x = 272,903,507.68/17,365.78
  6. Step 6: Final answer
    x = 15,715.02

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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.