Home / 13,722.77-20,580.08-5,825.16

Finding the Fourth Proportional to 13,722.77, 20,580.08 and 5,825.16

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Solution

The fourth proportional to 13,722.77, 20,580.08 and 5,825.16 is: 8,736.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,722.77 : 20,580.08 = 5,825.16 : x
  2. Step 2: Convert to fraction form
    13,722.77/20,580.08 = 5,825.16/x
  3. Step 3: Cross multiply
    13,722.77x = 20,580.08 × 5,825.16
  4. Step 4: Simplify right side
    13,722.77x = 119,882,229.69
  5. Step 5: Solve for x
    x = 119,882,229.69/13,722.77
  6. Step 6: Final answer
    x = 8,736.01

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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.