Home / 22,015.08-32,940.75-13,135.17

Finding the Fourth Proportional to 22,015.08, 32,940.75 and 13,135.17

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Solution

The fourth proportional to 22,015.08, 32,940.75 and 13,135.17 is: 19,653.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015.08 : 32,940.75 = 13,135.17 : x
  2. Step 2: Convert to fraction form
    22,015.08/32,940.75 = 13,135.17/x
  3. Step 3: Cross multiply
    22,015.08x = 32,940.75 × 13,135.17
  4. Step 4: Simplify right side
    22,015.08x = 432,682,351.18
  5. Step 5: Solve for x
    x = 432,682,351.18/22,015.08
  6. Step 6: Final answer
    x = 19,653.91

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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.