Home / 18,257.90-27,376.26-7,151.58

Finding the Fourth Proportional to 18,257.90, 27,376.26 and 7,151.58

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Solution

The fourth proportional to 18,257.90, 27,376.26 and 7,151.58 is: 10,723.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.90 : 27,376.26 = 7,151.58 : x
  2. Step 2: Convert to fraction form
    18,257.90/27,376.26 = 7,151.58/x
  3. Step 3: Cross multiply
    18,257.90x = 27,376.26 × 7,151.58
  4. Step 4: Simplify right side
    18,257.90x = 195,783,513.49
  5. Step 5: Solve for x
    x = 195,783,513.49/18,257.90
  6. Step 6: Final answer
    x = 10,723.22

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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.