Home / 22,821.96-34,237.74-12,965.80

Finding the Fourth Proportional to 22,821.96, 34,237.74 and 12,965.80

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Solution

The fourth proportional to 22,821.96, 34,237.74 and 12,965.80 is: 19,451.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,821.96 : 34,237.74 = 12,965.80 : x
  2. Step 2: Convert to fraction form
    22,821.96/34,237.74 = 12,965.80/x
  3. Step 3: Cross multiply
    22,821.96x = 34,237.74 × 12,965.80
  4. Step 4: Simplify right side
    22,821.96x = 443,919,689.29
  5. Step 5: Solve for x
    x = 443,919,689.29/22,821.96
  6. Step 6: Final answer
    x = 19,451.43

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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.