Home / 22,285.93-30,747.99-12,725.50

Finding the Fourth Proportional to 22,285.93, 30,747.99 and 12,725.50

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Solution

The fourth proportional to 22,285.93, 30,747.99 and 12,725.50 is: 17,557.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,285.93 : 30,747.99 = 12,725.50 : x
  2. Step 2: Convert to fraction form
    22,285.93/30,747.99 = 12,725.50/x
  3. Step 3: Cross multiply
    22,285.93x = 30,747.99 × 12,725.50
  4. Step 4: Simplify right side
    22,285.93x = 391,283,546.75
  5. Step 5: Solve for x
    x = 391,283,546.75/22,285.93
  6. Step 6: Final answer
    x = 17,557.43

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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.