Home / 13,913.30-20,870.92-5,593.33

Finding the Fourth Proportional to 13,913.30, 20,870.92 and 5,593.33

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Solution

The fourth proportional to 13,913.30, 20,870.92 and 5,593.33 is: 8,390.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.30 : 20,870.92 = 5,593.33 : x
  2. Step 2: Convert to fraction form
    13,913.30/20,870.92 = 5,593.33/x
  3. Step 3: Cross multiply
    13,913.30x = 20,870.92 × 5,593.33
  4. Step 4: Simplify right side
    13,913.30x = 116,737,837.67
  5. Step 5: Solve for x
    x = 116,737,837.67/13,913.30
  6. Step 6: Final answer
    x = 8,390.38

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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.