Home / 15,507.99-23,261.67-3,821.31

Finding the Fourth Proportional to 15,507.99, 23,261.67 and 3,821.31

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Solution

The fourth proportional to 15,507.99, 23,261.67 and 3,821.31 is: 5,731.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,507.99 : 23,261.67 = 3,821.31 : x
  2. Step 2: Convert to fraction form
    15,507.99/23,261.67 = 3,821.31/x
  3. Step 3: Cross multiply
    15,507.99x = 23,261.67 × 3,821.31
  4. Step 4: Simplify right side
    15,507.99x = 88,890,052.19
  5. Step 5: Solve for x
    x = 88,890,052.19/15,507.99
  6. Step 6: Final answer
    x = 5,731.89

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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.