Home / 16,773.80-23,147.35-9,220.12

Finding the Fourth Proportional to 16,773.80, 23,147.35 and 9,220.12

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Solution

The fourth proportional to 16,773.80, 23,147.35 and 9,220.12 is: 12,723.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,773.80 : 23,147.35 = 9,220.12 : x
  2. Step 2: Convert to fraction form
    16,773.80/23,147.35 = 9,220.12/x
  3. Step 3: Cross multiply
    16,773.80x = 23,147.35 × 9,220.12
  4. Step 4: Simplify right side
    16,773.80x = 213,421,263.76
  5. Step 5: Solve for x
    x = 213,421,263.76/16,773.80
  6. Step 6: Final answer
    x = 12,723.49

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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.