Home / 18,738.77-25,859.52-10,355.27

Finding the Fourth Proportional to 18,738.77, 25,859.52 and 10,355.27

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Solution

The fourth proportional to 18,738.77, 25,859.52 and 10,355.27 is: 14,290.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738.77 : 25,859.52 = 10,355.27 : x
  2. Step 2: Convert to fraction form
    18,738.77/25,859.52 = 10,355.27/x
  3. Step 3: Cross multiply
    18,738.77x = 25,859.52 × 10,355.27
  4. Step 4: Simplify right side
    18,738.77x = 267,782,182.37
  5. Step 5: Solve for x
    x = 267,782,182.37/18,738.77
  6. Step 6: Final answer
    x = 14,290.28

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Similar ratio
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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.