Home / 22,283.21-30,751.69-12,724.66

Finding the Fourth Proportional to 22,283.21, 30,751.69 and 12,724.66

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Solution

The fourth proportional to 22,283.21, 30,751.69 and 12,724.66 is: 17,560.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,283.21 : 30,751.69 = 12,724.66 : x
  2. Step 2: Convert to fraction form
    22,283.21/30,751.69 = 12,724.66/x
  3. Step 3: Cross multiply
    22,283.21x = 30,751.69 × 12,724.66
  4. Step 4: Simplify right side
    22,283.21x = 391,304,690.98
  5. Step 5: Solve for x
    x = 391,304,690.98/22,283.21
  6. Step 6: Final answer
    x = 17,560.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.