Home / 22,579.41-33,870.66-6,783.78

Finding the Fourth Proportional to 22,579.41, 33,870.66 and 6,783.78

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Solution

The fourth proportional to 22,579.41, 33,870.66 and 6,783.78 is: 10,176.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,579.41 : 33,870.66 = 6,783.78 : x
  2. Step 2: Convert to fraction form
    22,579.41/33,870.66 = 6,783.78/x
  3. Step 3: Cross multiply
    22,579.41x = 33,870.66 × 6,783.78
  4. Step 4: Simplify right side
    22,579.41x = 229,771,105.89
  5. Step 5: Solve for x
    x = 229,771,105.89/22,579.41
  6. Step 6: Final answer
    x = 10,176.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.