Home / 18,109.37-27,158.83-4,962.17

Finding the Fourth Proportional to 18,109.37, 27,158.83 and 4,962.17

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Solution

The fourth proportional to 18,109.37, 27,158.83 and 4,962.17 is: 7,441.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109.37 : 27,158.83 = 4,962.17 : x
  2. Step 2: Convert to fraction form
    18,109.37/27,158.83 = 4,962.17/x
  3. Step 3: Cross multiply
    18,109.37x = 27,158.83 × 4,962.17
  4. Step 4: Simplify right side
    18,109.37x = 134,766,731.46
  5. Step 5: Solve for x
    x = 134,766,731.46/18,109.37
  6. Step 6: Final answer
    x = 7,441.82

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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.