Home / 16,773.90-23,148.50-9,220.80

Finding the Fourth Proportional to 16,773.90, 23,148.50 and 9,220.80

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Solution

The fourth proportional to 16,773.90, 23,148.50 and 9,220.80 is: 12,724.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,773.90 : 23,148.50 = 9,220.80 : x
  2. Step 2: Convert to fraction form
    16,773.90/23,148.50 = 9,220.80/x
  3. Step 3: Cross multiply
    16,773.90x = 23,148.50 × 9,220.80
  4. Step 4: Simplify right side
    16,773.90x = 213,447,729.50
  5. Step 5: Solve for x
    x = 213,447,729.50/16,773.90
  6. Step 6: Final answer
    x = 12,724.99

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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.