Home / 22,721.33-34,080.36-7,143.41

Finding the Fourth Proportional to 22,721.33, 34,080.36 and 7,143.41

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Solution

The fourth proportional to 22,721.33, 34,080.36 and 7,143.41 is: 10,714.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,721.33 : 34,080.36 = 7,143.41 : x
  2. Step 2: Convert to fraction form
    22,721.33/34,080.36 = 7,143.41/x
  3. Step 3: Cross multiply
    22,721.33x = 34,080.36 × 7,143.41
  4. Step 4: Simplify right side
    22,721.33x = 243,449,814.03
  5. Step 5: Solve for x
    x = 243,449,814.03/22,721.33
  6. Step 6: Final answer
    x = 10,714.60

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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.