Home / 22,299.24-30,772.92-12,867.81

Finding the Fourth Proportional to 22,299.24, 30,772.92 and 12,867.81

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Solution

The fourth proportional to 22,299.24, 30,772.92 and 12,867.81 is: 17,757.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,299.24 : 30,772.92 = 12,867.81 : x
  2. Step 2: Convert to fraction form
    22,299.24/30,772.92 = 12,867.81/x
  3. Step 3: Cross multiply
    22,299.24x = 30,772.92 × 12,867.81
  4. Step 4: Simplify right side
    22,299.24x = 395,980,087.71
  5. Step 5: Solve for x
    x = 395,980,087.71/22,299.24
  6. Step 6: Final answer
    x = 17,757.56

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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.