Home / 29,868.09-41,215.68-17,121.12

Finding the Fourth Proportional to 29,868.09, 41,215.68 and 17,121.12

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Solution

The fourth proportional to 29,868.09, 41,215.68 and 17,121.12 is: 23,625.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,868.09 : 41,215.68 = 17,121.12 : x
  2. Step 2: Convert to fraction form
    29,868.09/41,215.68 = 17,121.12/x
  3. Step 3: Cross multiply
    29,868.09x = 41,215.68 × 17,121.12
  4. Step 4: Simplify right side
    29,868.09x = 705,658,603.16
  5. Step 5: Solve for x
    x = 705,658,603.16/29,868.09
  6. Step 6: Final answer
    x = 23,625.84

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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.