Home / 18,106.08-27,155.43-4,957.44

Finding the Fourth Proportional to 18,106.08, 27,155.43 and 4,957.44

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Solution

The fourth proportional to 18,106.08, 27,155.43 and 4,957.44 is: 7,435.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106.08 : 27,155.43 = 4,957.44 : x
  2. Step 2: Convert to fraction form
    18,106.08/27,155.43 = 4,957.44/x
  3. Step 3: Cross multiply
    18,106.08x = 27,155.43 × 4,957.44
  4. Step 4: Simplify right side
    18,106.08x = 134,621,414.90
  5. Step 5: Solve for x
    x = 134,621,414.90/18,106.08
  6. Step 6: Final answer
    x = 7,435.15

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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.