Home / 22,910.80-34,333.40-13,029.20

Finding the Fourth Proportional to 22,910.80, 34,333.40 and 13,029.20

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Solution

The fourth proportional to 22,910.80, 34,333.40 and 13,029.20 is: 19,525.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,910.80 : 34,333.40 = 13,029.20 : x
  2. Step 2: Convert to fraction form
    22,910.80/34,333.40 = 13,029.20/x
  3. Step 3: Cross multiply
    22,910.80x = 34,333.40 × 13,029.20
  4. Step 4: Simplify right side
    22,910.80x = 447,336,735.28
  5. Step 5: Solve for x
    x = 447,336,735.28/22,910.80
  6. Step 6: Final answer
    x = 19,525.15

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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.