Home / 13,188.14-19,784.16-3,826.95

Finding the Fourth Proportional to 13,188.14, 19,784.16 and 3,826.95

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Solution

The fourth proportional to 13,188.14, 19,784.16 and 3,826.95 is: 5,740.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188.14 : 19,784.16 = 3,826.95 : x
  2. Step 2: Convert to fraction form
    13,188.14/19,784.16 = 3,826.95/x
  3. Step 3: Cross multiply
    13,188.14x = 19,784.16 × 3,826.95
  4. Step 4: Simplify right side
    13,188.14x = 75,712,927.68
  5. Step 5: Solve for x
    x = 75,712,927.68/13,188.14
  6. Step 6: Final answer
    x = 5,740.98

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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.