Home / 18,216.15-25,138.70-10,150.33

Finding the Fourth Proportional to 18,216.15, 25,138.70 and 10,150.33

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Solution

The fourth proportional to 18,216.15, 25,138.70 and 10,150.33 is: 14,007.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.15 : 25,138.70 = 10,150.33 : x
  2. Step 2: Convert to fraction form
    18,216.15/25,138.70 = 10,150.33/x
  3. Step 3: Cross multiply
    18,216.15x = 25,138.70 × 10,150.33
  4. Step 4: Simplify right side
    18,216.15x = 255,166,100.77
  5. Step 5: Solve for x
    x = 255,166,100.77/18,216.15
  6. Step 6: Final answer
    x = 14,007.69

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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.