Home / 26,237.76-39,356.16-18,481.12

Finding the Fourth Proportional to 26,237.76, 39,356.16 and 18,481.12

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Solution

The fourth proportional to 26,237.76, 39,356.16 and 18,481.12 is: 27,721.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,237.76 : 39,356.16 = 18,481.12 : x
  2. Step 2: Convert to fraction form
    26,237.76/39,356.16 = 18,481.12/x
  3. Step 3: Cross multiply
    26,237.76x = 39,356.16 × 18,481.12
  4. Step 4: Simplify right side
    26,237.76x = 727,345,915.70
  5. Step 5: Solve for x
    x = 727,345,915.70/26,237.76
  6. Step 6: Final answer
    x = 27,721.34

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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.