Home / 22,579.16-33,870.36-7,787.86

Finding the Fourth Proportional to 22,579.16, 33,870.36 and 7,787.86

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Solution

The fourth proportional to 22,579.16, 33,870.36 and 7,787.86 is: 11,682.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,579.16 : 33,870.36 = 7,787.86 : x
  2. Step 2: Convert to fraction form
    22,579.16/33,870.36 = 7,787.86/x
  3. Step 3: Cross multiply
    22,579.16x = 33,870.36 × 7,787.86
  4. Step 4: Simplify right side
    22,579.16x = 263,777,621.83
  5. Step 5: Solve for x
    x = 263,777,621.83/22,579.16
  6. Step 6: Final answer
    x = 11,682.35

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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.