Home / 18,414.59-25,412.31-10,456.98

Finding the Fourth Proportional to 18,414.59, 25,412.31 and 10,456.98

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Solution

The fourth proportional to 18,414.59, 25,412.31 and 10,456.98 is: 14,430.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.59 : 25,412.31 = 10,456.98 : x
  2. Step 2: Convert to fraction form
    18,414.59/25,412.31 = 10,456.98/x
  3. Step 3: Cross multiply
    18,414.59x = 25,412.31 × 10,456.98
  4. Step 4: Simplify right side
    18,414.59x = 265,735,965.14
  5. Step 5: Solve for x
    x = 265,735,965.14/18,414.59
  6. Step 6: Final answer
    x = 14,430.73

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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.