Home / 16,774.92-23,147.40-9,220.02

Finding the Fourth Proportional to 16,774.92, 23,147.40 and 9,220.02

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Solution

The fourth proportional to 16,774.92, 23,147.40 and 9,220.02 is: 12,722.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,774.92 : 23,147.40 = 9,220.02 : x
  2. Step 2: Convert to fraction form
    16,774.92/23,147.40 = 9,220.02/x
  3. Step 3: Cross multiply
    16,774.92x = 23,147.40 × 9,220.02
  4. Step 4: Simplify right side
    16,774.92x = 213,419,490.95
  5. Step 5: Solve for x
    x = 213,419,490.95/16,774.92
  6. Step 6: Final answer
    x = 12,722.53

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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.