Home / 18,787.24-25,926.66-10,403.56

Finding the Fourth Proportional to 18,787.24, 25,926.66 and 10,403.56

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Solution

The fourth proportional to 18,787.24, 25,926.66 and 10,403.56 is: 14,357.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787.24 : 25,926.66 = 10,403.56 : x
  2. Step 2: Convert to fraction form
    18,787.24/25,926.66 = 10,403.56/x
  3. Step 3: Cross multiply
    18,787.24x = 25,926.66 × 10,403.56
  4. Step 4: Simplify right side
    18,787.24x = 269,729,562.91
  5. Step 5: Solve for x
    x = 269,729,562.91/18,787.24
  6. Step 6: Final answer
    x = 14,357.06

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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.