Home / 13,933.15-19,211.29-11,405.95

Finding the Fourth Proportional to 13,933.15, 19,211.29 and 11,405.95

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Solution

The fourth proportional to 13,933.15, 19,211.29 and 11,405.95 is: 15,726.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.15 : 19,211.29 = 11,405.95 : x
  2. Step 2: Convert to fraction form
    13,933.15/19,211.29 = 11,405.95/x
  3. Step 3: Cross multiply
    13,933.15x = 19,211.29 × 11,405.95
  4. Step 4: Simplify right side
    13,933.15x = 219,123,013.18
  5. Step 5: Solve for x
    x = 219,123,013.18/13,933.15
  6. Step 6: Final answer
    x = 15,726.74

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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.