Home / 24,015.75-33,138.67-13,405.83

Finding the Fourth Proportional to 24,015.75, 33,138.67 and 13,405.83

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Solution

The fourth proportional to 24,015.75, 33,138.67 and 13,405.83 is: 18,498.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,015.75 : 33,138.67 = 13,405.83 : x
  2. Step 2: Convert to fraction form
    24,015.75/33,138.67 = 13,405.83/x
  3. Step 3: Cross multiply
    24,015.75x = 33,138.67 × 13,405.83
  4. Step 4: Simplify right side
    24,015.75x = 444,251,376.45
  5. Step 5: Solve for x
    x = 444,251,376.45/24,015.75
  6. Step 6: Final answer
    x = 18,498.33

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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.