Home / 13,722.11-20,586.76-5,824.91

Finding the Fourth Proportional to 13,722.11, 20,586.76 and 5,824.91

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Solution

The fourth proportional to 13,722.11, 20,586.76 and 5,824.91 is: 8,738.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,722.11 : 20,586.76 = 5,824.91 : x
  2. Step 2: Convert to fraction form
    13,722.11/20,586.76 = 5,824.91/x
  3. Step 3: Cross multiply
    13,722.11x = 20,586.76 × 5,824.91
  4. Step 4: Simplify right side
    13,722.11x = 119,916,061.10
  5. Step 5: Solve for x
    x = 119,916,061.10/13,722.11
  6. Step 6: Final answer
    x = 8,738.89

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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.