Home / 13,713.54-20,566.06-4,947.31

Finding the Fourth Proportional to 13,713.54, 20,566.06 and 4,947.31

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Solution

The fourth proportional to 13,713.54, 20,566.06 and 4,947.31 is: 7,419.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713.54 : 20,566.06 = 4,947.31 : x
  2. Step 2: Convert to fraction form
    13,713.54/20,566.06 = 4,947.31/x
  3. Step 3: Cross multiply
    13,713.54x = 20,566.06 × 4,947.31
  4. Step 4: Simplify right side
    13,713.54x = 101,746,649.56
  5. Step 5: Solve for x
    x = 101,746,649.56/13,713.54
  6. Step 6: Final answer
    x = 7,419.43

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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.