Home / 18,635.42-27,955.89-6,156.75

Finding the Fourth Proportional to 18,635.42, 27,955.89 and 6,156.75

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Solution

The fourth proportional to 18,635.42, 27,955.89 and 6,156.75 is: 9,236.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.42 : 27,955.89 = 6,156.75 : x
  2. Step 2: Convert to fraction form
    18,635.42/27,955.89 = 6,156.75/x
  3. Step 3: Cross multiply
    18,635.42x = 27,955.89 × 6,156.75
  4. Step 4: Simplify right side
    18,635.42x = 172,117,425.76
  5. Step 5: Solve for x
    x = 172,117,425.76/18,635.42
  6. Step 6: Final answer
    x = 9,236.04

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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.