Home / 22,314.24-30,786.48-13,363.20

Finding the Fourth Proportional to 22,314.24, 30,786.48 and 13,363.20

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Solution

The fourth proportional to 22,314.24, 30,786.48 and 13,363.20 is: 18,436.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,314.24 : 30,786.48 = 13,363.20 : x
  2. Step 2: Convert to fraction form
    22,314.24/30,786.48 = 13,363.20/x
  3. Step 3: Cross multiply
    22,314.24x = 30,786.48 × 13,363.20
  4. Step 4: Simplify right side
    22,314.24x = 411,405,889.54
  5. Step 5: Solve for x
    x = 411,405,889.54/22,314.24
  6. Step 6: Final answer
    x = 18,436.92

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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.