Home / 13,156.40-19,734.68-4,836.56

Finding the Fourth Proportional to 13,156.40, 19,734.68 and 4,836.56

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Solution

The fourth proportional to 13,156.40, 19,734.68 and 4,836.56 is: 7,254.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156.40 : 19,734.68 = 4,836.56 : x
  2. Step 2: Convert to fraction form
    13,156.40/19,734.68 = 4,836.56/x
  3. Step 3: Cross multiply
    13,156.40x = 19,734.68 × 4,836.56
  4. Step 4: Simplify right side
    13,156.40x = 95,447,963.90
  5. Step 5: Solve for x
    x = 95,447,963.90/13,156.40
  6. Step 6: Final answer
    x = 7,254.87

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