Home / 16,899.45-23,321.70-9,346.20

Finding the Fourth Proportional to 16,899.45, 23,321.70 and 9,346.20

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Solution

The fourth proportional to 16,899.45, 23,321.70 and 9,346.20 is: 12,898.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899.45 : 23,321.70 = 9,346.20 : x
  2. Step 2: Convert to fraction form
    16,899.45/23,321.70 = 9,346.20/x
  3. Step 3: Cross multiply
    16,899.45x = 23,321.70 × 9,346.20
  4. Step 4: Simplify right side
    16,899.45x = 217,969,272.54
  5. Step 5: Solve for x
    x = 217,969,272.54/16,899.45
  6. Step 6: Final answer
    x = 12,898.01

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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.