Home / 12,304.46-18,471.31-11,803.14

Finding the Fourth Proportional to 12,304.46, 18,471.31 and 11,803.14

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Solution

The fourth proportional to 12,304.46, 18,471.31 and 11,803.14 is: 17,718.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304.46 : 18,471.31 = 11,803.14 : x
  2. Step 2: Convert to fraction form
    12,304.46/18,471.31 = 11,803.14/x
  3. Step 3: Cross multiply
    12,304.46x = 18,471.31 × 11,803.14
  4. Step 4: Simplify right side
    12,304.46x = 218,019,428.41
  5. Step 5: Solve for x
    x = 218,019,428.41/12,304.46
  6. Step 6: Final answer
    x = 17,718.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.