Home / 22,919.33-31,622.57-13,226.33

Finding the Fourth Proportional to 22,919.33, 31,622.57 and 13,226.33

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Solution

The fourth proportional to 22,919.33, 31,622.57 and 13,226.33 is: 18,248.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,919.33 : 31,622.57 = 13,226.33 : x
  2. Step 2: Convert to fraction form
    22,919.33/31,622.57 = 13,226.33/x
  3. Step 3: Cross multiply
    22,919.33x = 31,622.57 × 13,226.33
  4. Step 4: Simplify right side
    22,919.33x = 418,250,539.81
  5. Step 5: Solve for x
    x = 418,250,539.81/22,919.33
  6. Step 6: Final answer
    x = 18,248.81

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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.