Home / 18,414.41-25,410.83-10,456.56

Finding the Fourth Proportional to 18,414.41, 25,410.83 and 10,456.56

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Solution

The fourth proportional to 18,414.41, 25,410.83 and 10,456.56 is: 14,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.41 : 25,410.83 = 10,456.56 : x
  2. Step 2: Convert to fraction form
    18,414.41/25,410.83 = 10,456.56/x
  3. Step 3: Cross multiply
    18,414.41x = 25,410.83 × 10,456.56
  4. Step 4: Simplify right side
    18,414.41x = 265,709,816.26
  5. Step 5: Solve for x
    x = 265,709,816.26/18,414.41
  6. Step 6: Final answer
    x = 14,429.45

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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.