Home / 15,576.09-23,363.52-5,187.84

Finding the Fourth Proportional to 15,576.09, 23,363.52 and 5,187.84

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Solution

The fourth proportional to 15,576.09, 23,363.52 and 5,187.84 is: 7,781.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,576.09 : 23,363.52 = 5,187.84 : x
  2. Step 2: Convert to fraction form
    15,576.09/23,363.52 = 5,187.84/x
  3. Step 3: Cross multiply
    15,576.09x = 23,363.52 × 5,187.84
  4. Step 4: Simplify right side
    15,576.09x = 121,206,203.60
  5. Step 5: Solve for x
    x = 121,206,203.60/15,576.09
  6. Step 6: Final answer
    x = 7,781.56

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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.