Home / 18,550.93-25,599.36-11,005.78

Finding the Fourth Proportional to 18,550.93, 25,599.36 and 11,005.78

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Solution

The fourth proportional to 18,550.93, 25,599.36 and 11,005.78 is: 15,187.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.93 : 25,599.36 = 11,005.78 : x
  2. Step 2: Convert to fraction form
    18,550.93/25,599.36 = 11,005.78/x
  3. Step 3: Cross multiply
    18,550.93x = 25,599.36 × 11,005.78
  4. Step 4: Simplify right side
    18,550.93x = 281,740,924.30
  5. Step 5: Solve for x
    x = 281,740,924.30/18,550.93
  6. Step 6: Final answer
    x = 15,187.43

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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.