Home / 22,292.88-30,767.52-13,340.64

Finding the Fourth Proportional to 22,292.88, 30,767.52 and 13,340.64

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Solution

The fourth proportional to 22,292.88, 30,767.52 and 13,340.64 is: 18,412.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,292.88 : 30,767.52 = 13,340.64 : x
  2. Step 2: Convert to fraction form
    22,292.88/30,767.52 = 13,340.64/x
  3. Step 3: Cross multiply
    22,292.88x = 30,767.52 × 13,340.64
  4. Step 4: Simplify right side
    22,292.88x = 410,458,408.01
  5. Step 5: Solve for x
    x = 410,458,408.01/22,292.88
  6. Step 6: Final answer
    x = 18,412.09

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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.