Home / 22,205.58-30,647.08-12,773.54

Finding the Fourth Proportional to 22,205.58, 30,647.08 and 12,773.54

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Solution

The fourth proportional to 22,205.58, 30,647.08 and 12,773.54 is: 17,629.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,205.58 : 30,647.08 = 12,773.54 : x
  2. Step 2: Convert to fraction form
    22,205.58/30,647.08 = 12,773.54/x
  3. Step 3: Cross multiply
    22,205.58x = 30,647.08 × 12,773.54
  4. Step 4: Simplify right side
    22,205.58x = 391,471,702.26
  5. Step 5: Solve for x
    x = 391,471,702.26/22,205.58
  6. Step 6: Final answer
    x = 17,629.43

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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.