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Finding the Fourth Proportional to 18,019.14, 24,863.81 and 10,944.20

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Solution

The fourth proportional to 18,019.14, 24,863.81 and 10,944.20 is: 15,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,019.14 : 24,863.81 = 10,944.20 : x
  2. Step 2: Convert to fraction form
    18,019.14/24,863.81 = 10,944.20/x
  3. Step 3: Cross multiply
    18,019.14x = 24,863.81 × 10,944.20
  4. Step 4: Simplify right side
    18,019.14x = 272,114,330.36
  5. Step 5: Solve for x
    x = 272,114,330.36/18,019.14
  6. Step 6: Final answer
    x = 15,101.40

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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.