Home / 13,442.03-20,164.67-5,649.83

Finding the Fourth Proportional to 13,442.03, 20,164.67 and 5,649.83

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Solution

The fourth proportional to 13,442.03, 20,164.67 and 5,649.83 is: 8,475.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,442.03 : 20,164.67 = 5,649.83 : x
  2. Step 2: Convert to fraction form
    13,442.03/20,164.67 = 5,649.83/x
  3. Step 3: Cross multiply
    13,442.03x = 20,164.67 × 5,649.83
  4. Step 4: Simplify right side
    13,442.03x = 113,926,957.51
  5. Step 5: Solve for x
    x = 113,926,957.51/13,442.03
  6. Step 6: Final answer
    x = 8,475.43

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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.