Home / 22,120.24-33,191-13,798.12

Finding the Fourth Proportional to 22,120.24, 33,191 and 13,798.12

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Solution

The fourth proportional to 22,120.24, 33,191 and 13,798.12 is: 20,703.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,120.24 : 33,191 = 13,798.12 : x
  2. Step 2: Convert to fraction form
    22,120.24/33,191 = 13,798.12/x
  3. Step 3: Cross multiply
    22,120.24x = 33,191 × 13,798.12
  4. Step 4: Simplify right side
    22,120.24x = 457,973,400.92
  5. Step 5: Solve for x
    x = 457,973,400.92/22,120.24
  6. Step 6: Final answer
    x = 20,703.82

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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.