Home / 22,721.82-34,080.30-7,931.03

Finding the Fourth Proportional to 22,721.82, 34,080.30 and 7,931.03

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Solution

The fourth proportional to 22,721.82, 34,080.30 and 7,931.03 is: 11,895.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,721.82 : 34,080.30 = 7,931.03 : x
  2. Step 2: Convert to fraction form
    22,721.82/34,080.30 = 7,931.03/x
  3. Step 3: Cross multiply
    22,721.82x = 34,080.30 × 7,931.03
  4. Step 4: Simplify right side
    22,721.82x = 270,291,711.31
  5. Step 5: Solve for x
    x = 270,291,711.31/22,721.82
  6. Step 6: Final answer
    x = 11,895.69

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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.