Home / 21,993.13-32,989.23-5,353.26

Finding the Fourth Proportional to 21,993.13, 32,989.23 and 5,353.26

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Solution

The fourth proportional to 21,993.13, 32,989.23 and 5,353.26 is: 8,029.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,993.13 : 32,989.23 = 5,353.26 : x
  2. Step 2: Convert to fraction form
    21,993.13/32,989.23 = 5,353.26/x
  3. Step 3: Cross multiply
    21,993.13x = 32,989.23 × 5,353.26
  4. Step 4: Simplify right side
    21,993.13x = 176,599,801.68
  5. Step 5: Solve for x
    x = 176,599,801.68/21,993.13
  6. Step 6: Final answer
    x = 8,029.77

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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.