Home / 18,108.10-27,162.17-4,960.58

Finding the Fourth Proportional to 18,108.10, 27,162.17 and 4,960.58

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Solution

The fourth proportional to 18,108.10, 27,162.17 and 4,960.58 is: 7,440.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.10 : 27,162.17 = 4,960.58 : x
  2. Step 2: Convert to fraction form
    18,108.10/27,162.17 = 4,960.58/x
  3. Step 3: Cross multiply
    18,108.10x = 27,162.17 × 4,960.58
  4. Step 4: Simplify right side
    18,108.10x = 134,740,117.26
  5. Step 5: Solve for x
    x = 134,740,117.26/18,108.10
  6. Step 6: Final answer
    x = 7,440.88

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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.