Home / 18,439.11-25,445.95-10,481.84

Finding the Fourth Proportional to 18,439.11, 25,445.95 and 10,481.84

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Solution

The fourth proportional to 18,439.11, 25,445.95 and 10,481.84 is: 14,464.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439.11 : 25,445.95 = 10,481.84 : x
  2. Step 2: Convert to fraction form
    18,439.11/25,445.95 = 10,481.84/x
  3. Step 3: Cross multiply
    18,439.11x = 25,445.95 × 10,481.84
  4. Step 4: Simplify right side
    18,439.11x = 266,720,318.54
  5. Step 5: Solve for x
    x = 266,720,318.54/18,439.11
  6. Step 6: Final answer
    x = 14,464.92

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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.