Home / 15,050.75-20,769.83-8,336.36

Finding the Fourth Proportional to 15,050.75, 20,769.83 and 8,336.36

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Solution

The fourth proportional to 15,050.75, 20,769.83 and 8,336.36 is: 11,504.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,050.75 : 20,769.83 = 8,336.36 : x
  2. Step 2: Convert to fraction form
    15,050.75/20,769.83 = 8,336.36/x
  3. Step 3: Cross multiply
    15,050.75x = 20,769.83 × 8,336.36
  4. Step 4: Simplify right side
    15,050.75x = 173,144,780.02
  5. Step 5: Solve for x
    x = 173,144,780.02/15,050.75
  6. Step 6: Final answer
    x = 11,504.06

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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.