Home / 18,107.10-27,160.67-4,959.58

Finding the Fourth Proportional to 18,107.10, 27,160.67 and 4,959.58

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Solution

The fourth proportional to 18,107.10, 27,160.67 and 4,959.58 is: 7,439.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,107.10 : 27,160.67 = 4,959.58 : x
  2. Step 2: Convert to fraction form
    18,107.10/27,160.67 = 4,959.58/x
  3. Step 3: Cross multiply
    18,107.10x = 27,160.67 × 4,959.58
  4. Step 4: Simplify right side
    18,107.10x = 134,705,490.92
  5. Step 5: Solve for x
    x = 134,705,490.92/18,107.10
  6. Step 6: Final answer
    x = 7,439.38

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1.5x scale

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.