Home / 18,223.50-25,141.23-11,506.62

Finding the Fourth Proportional to 18,223.50, 25,141.23 and 11,506.62

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Solution

The fourth proportional to 18,223.50, 25,141.23 and 11,506.62 is: 15,874.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.50 : 25,141.23 = 11,506.62 : x
  2. Step 2: Convert to fraction form
    18,223.50/25,141.23 = 11,506.62/x
  3. Step 3: Cross multiply
    18,223.50x = 25,141.23 × 11,506.62
  4. Step 4: Simplify right side
    18,223.50x = 289,290,579.94
  5. Step 5: Solve for x
    x = 289,290,579.94/18,223.50
  6. Step 6: Final answer
    x = 15,874.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.