Home / 16,820.73-23,213.39-9,751.05

Finding the Fourth Proportional to 16,820.73, 23,213.39 and 9,751.05

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Solution

The fourth proportional to 16,820.73, 23,213.39 and 9,751.05 is: 13,456.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.73 : 23,213.39 = 9,751.05 : x
  2. Step 2: Convert to fraction form
    16,820.73/23,213.39 = 9,751.05/x
  3. Step 3: Cross multiply
    16,820.73x = 23,213.39 × 9,751.05
  4. Step 4: Simplify right side
    16,820.73x = 226,354,877.80
  5. Step 5: Solve for x
    x = 226,354,877.80/16,820.73
  6. Step 6: Final answer
    x = 13,456.90

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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.