Home / 18,439.46-25,446.47-10,481.48

Finding the Fourth Proportional to 18,439.46, 25,446.47 and 10,481.48

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Solution

The fourth proportional to 18,439.46, 25,446.47 and 10,481.48 is: 14,464.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439.46 : 25,446.47 = 10,481.48 : x
  2. Step 2: Convert to fraction form
    18,439.46/25,446.47 = 10,481.48/x
  3. Step 3: Cross multiply
    18,439.46x = 25,446.47 × 10,481.48
  4. Step 4: Simplify right side
    18,439.46x = 266,716,486.74
  5. Step 5: Solve for x
    x = 266,716,486.74/18,439.46
  6. Step 6: Final answer
    x = 14,464.45

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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.