Home / 13,149.26-19,712.37-4,947.02

Finding the Fourth Proportional to 13,149.26, 19,712.37 and 4,947.02

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Solution

The fourth proportional to 13,149.26, 19,712.37 and 4,947.02 is: 7,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149.26 : 19,712.37 = 4,947.02 : x
  2. Step 2: Convert to fraction form
    13,149.26/19,712.37 = 4,947.02/x
  3. Step 3: Cross multiply
    13,149.26x = 19,712.37 × 4,947.02
  4. Step 4: Simplify right side
    13,149.26x = 97,517,488.64
  5. Step 5: Solve for x
    x = 97,517,488.64/13,149.26
  6. Step 6: Final answer
    x = 7,416.20

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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.