Home / 17,640.78-24,346.20-11,273.23

Finding the Fourth Proportional to 17,640.78, 24,346.20 and 11,273.23

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Solution

The fourth proportional to 17,640.78, 24,346.20 and 11,273.23 is: 15,558.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640.78 : 24,346.20 = 11,273.23 : x
  2. Step 2: Convert to fraction form
    17,640.78/24,346.20 = 11,273.23/x
  3. Step 3: Cross multiply
    17,640.78x = 24,346.20 × 11,273.23
  4. Step 4: Simplify right side
    17,640.78x = 274,460,312.23
  5. Step 5: Solve for x
    x = 274,460,312.23/17,640.78
  6. Step 6: Final answer
    x = 15,558.29

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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.