Home / 18,448.58-25,456.70-10,490.97

Finding the Fourth Proportional to 18,448.58, 25,456.70 and 10,490.97

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Solution

The fourth proportional to 18,448.58, 25,456.70 and 10,490.97 is: 14,476.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.58 : 25,456.70 = 10,490.97 : x
  2. Step 2: Convert to fraction form
    18,448.58/25,456.70 = 10,490.97/x
  3. Step 3: Cross multiply
    18,448.58x = 25,456.70 × 10,490.97
  4. Step 4: Simplify right side
    18,448.58x = 267,065,538.68
  5. Step 5: Solve for x
    x = 267,065,538.68/18,448.58
  6. Step 6: Final answer
    x = 14,476.21

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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.