Home / 18,550.74-25,601.28-10,481.60

Finding the Fourth Proportional to 18,550.74, 25,601.28 and 10,481.60

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Solution

The fourth proportional to 18,550.74, 25,601.28 and 10,481.60 is: 14,465.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.74 : 25,601.28 = 10,481.60 : x
  2. Step 2: Convert to fraction form
    18,550.74/25,601.28 = 10,481.60/x
  3. Step 3: Cross multiply
    18,550.74x = 25,601.28 × 10,481.60
  4. Step 4: Simplify right side
    18,550.74x = 268,342,376.45
  5. Step 5: Solve for x
    x = 268,342,376.45/18,550.74
  6. Step 6: Final answer
    x = 14,465.32

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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.