Home / 15,821.57-23,727.15-5,824.01

Finding the Fourth Proportional to 15,821.57, 23,727.15 and 5,824.01

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Solution

The fourth proportional to 15,821.57, 23,727.15 and 5,824.01 is: 8,734.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,821.57 : 23,727.15 = 5,824.01 : x
  2. Step 2: Convert to fraction form
    15,821.57/23,727.15 = 5,824.01/x
  3. Step 3: Cross multiply
    15,821.57x = 23,727.15 × 5,824.01
  4. Step 4: Simplify right side
    15,821.57x = 138,187,040.24
  5. Step 5: Solve for x
    x = 138,187,040.24/15,821.57
  6. Step 6: Final answer
    x = 8,734.09

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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.