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Finding the Fourth Proportional to 18,041.40, 24,894.54 and 10,968.48

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Solution

The fourth proportional to 18,041.40, 24,894.54 and 10,968.48 is: 15,134.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,041.40 : 24,894.54 = 10,968.48 : x
  2. Step 2: Convert to fraction form
    18,041.40/24,894.54 = 10,968.48/x
  3. Step 3: Cross multiply
    18,041.40x = 24,894.54 × 10,968.48
  4. Step 4: Simplify right side
    18,041.40x = 273,055,264.10
  5. Step 5: Solve for x
    x = 273,055,264.10/18,041.40
  6. Step 6: Final answer
    x = 15,134.93

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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.