Home / 15,174.25-22,761.36-4,786

Finding the Fourth Proportional to 15,174.25, 22,761.36 and 4,786

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Solution

The fourth proportional to 15,174.25, 22,761.36 and 4,786 is: 7,179.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174.25 : 22,761.36 = 4,786 : x
  2. Step 2: Convert to fraction form
    15,174.25/22,761.36 = 4,786/x
  3. Step 3: Cross multiply
    15,174.25x = 22,761.36 × 4,786
  4. Step 4: Simplify right side
    15,174.25x = 108,935,868.96
  5. Step 5: Solve for x
    x = 108,935,868.96/15,174.25
  6. Step 6: Final answer
    x = 7,179.00

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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.