Home / 16,076.80-24,135.72-15,911.20

Finding the Fourth Proportional to 16,076.80, 24,135.72 and 15,911.20

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Solution

The fourth proportional to 16,076.80, 24,135.72 and 15,911.20 is: 23,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,076.80 : 24,135.72 = 15,911.20 : x
  2. Step 2: Convert to fraction form
    16,076.80/24,135.72 = 15,911.20/x
  3. Step 3: Cross multiply
    16,076.80x = 24,135.72 × 15,911.20
  4. Step 4: Simplify right side
    16,076.80x = 384,028,268.06
  5. Step 5: Solve for x
    x = 384,028,268.06/16,076.80
  6. Step 6: Final answer
    x = 23,887.11

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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.