Home / 13,046.40-19,562.40-5,649.60

Finding the Fourth Proportional to 13,046.40, 19,562.40 and 5,649.60

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Solution

The fourth proportional to 13,046.40, 19,562.40 and 5,649.60 is: 8,471.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046.40 : 19,562.40 = 5,649.60 : x
  2. Step 2: Convert to fraction form
    13,046.40/19,562.40 = 5,649.60/x
  3. Step 3: Cross multiply
    13,046.40x = 19,562.40 × 5,649.60
  4. Step 4: Simplify right side
    13,046.40x = 110,519,735.04
  5. Step 5: Solve for x
    x = 110,519,735.04/13,046.40
  6. Step 6: Final answer
    x = 8,471.28

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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.