Home / 22,771.24-34,161.72-7,981.06

Finding the Fourth Proportional to 22,771.24, 34,161.72 and 7,981.06

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Solution

The fourth proportional to 22,771.24, 34,161.72 and 7,981.06 is: 11,973.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,771.24 : 34,161.72 = 7,981.06 : x
  2. Step 2: Convert to fraction form
    22,771.24/34,161.72 = 7,981.06/x
  3. Step 3: Cross multiply
    22,771.24x = 34,161.72 × 7,981.06
  4. Step 4: Simplify right side
    22,771.24x = 272,646,737.02
  5. Step 5: Solve for x
    x = 272,646,737.02/22,771.24
  6. Step 6: Final answer
    x = 11,973.29

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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.