Home / 18,955.11-28,426.33-6,301.95

Finding the Fourth Proportional to 18,955.11, 28,426.33 and 6,301.95

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Solution

The fourth proportional to 18,955.11, 28,426.33 and 6,301.95 is: 9,450.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,955.11 : 28,426.33 = 6,301.95 : x
  2. Step 2: Convert to fraction form
    18,955.11/28,426.33 = 6,301.95/x
  3. Step 3: Cross multiply
    18,955.11x = 28,426.33 × 6,301.95
  4. Step 4: Simplify right side
    18,955.11x = 179,141,278.83
  5. Step 5: Solve for x
    x = 179,141,278.83/18,955.11
  6. Step 6: Final answer
    x = 9,450.82

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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.