Home / 18,448.35-25,456.38-10,490.74

Finding the Fourth Proportional to 18,448.35, 25,456.38 and 10,490.74

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Solution

The fourth proportional to 18,448.35, 25,456.38 and 10,490.74 is: 14,475.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.35 : 25,456.38 = 10,490.74 : x
  2. Step 2: Convert to fraction form
    18,448.35/25,456.38 = 10,490.74/x
  3. Step 3: Cross multiply
    18,448.35x = 25,456.38 × 10,490.74
  4. Step 4: Simplify right side
    18,448.35x = 267,056,211.47
  5. Step 5: Solve for x
    x = 267,056,211.47/18,448.35
  6. Step 6: Final answer
    x = 14,475.89

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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.