Home / 13,529.84-20,294.89-3,669.23

Finding the Fourth Proportional to 13,529.84, 20,294.89 and 3,669.23

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Solution

The fourth proportional to 13,529.84, 20,294.89 and 3,669.23 is: 5,503.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.84 : 20,294.89 = 3,669.23 : x
  2. Step 2: Convert to fraction form
    13,529.84/20,294.89 = 3,669.23/x
  3. Step 3: Cross multiply
    13,529.84x = 20,294.89 × 3,669.23
  4. Step 4: Simplify right side
    13,529.84x = 74,466,660.80
  5. Step 5: Solve for x
    x = 74,466,660.80/13,529.84
  6. Step 6: Final answer
    x = 5,503.89

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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.