Home / 15,887.12-23,822.92-4,791.72

Finding the Fourth Proportional to 15,887.12, 23,822.92 and 4,791.72

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Solution

The fourth proportional to 15,887.12, 23,822.92 and 4,791.72 is: 7,185.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,887.12 : 23,822.92 = 4,791.72 : x
  2. Step 2: Convert to fraction form
    15,887.12/23,822.92 = 4,791.72/x
  3. Step 3: Cross multiply
    15,887.12x = 23,822.92 × 4,791.72
  4. Step 4: Simplify right side
    15,887.12x = 114,152,762.22
  5. Step 5: Solve for x
    x = 114,152,762.22/15,887.12
  6. Step 6: Final answer
    x = 7,185.24

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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.