Home / 22,313.94-30,794.14-13,359.66

Finding the Fourth Proportional to 22,313.94, 30,794.14 and 13,359.66

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Solution

The fourth proportional to 22,313.94, 30,794.14 and 13,359.66 is: 18,436.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,313.94 : 30,794.14 = 13,359.66 : x
  2. Step 2: Convert to fraction form
    22,313.94/30,794.14 = 13,359.66/x
  3. Step 3: Cross multiply
    22,313.94x = 30,794.14 × 13,359.66
  4. Step 4: Simplify right side
    22,313.94x = 411,399,240.39
  5. Step 5: Solve for x
    x = 411,399,240.39/22,313.94
  6. Step 6: Final answer
    x = 18,436.87

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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.