Home / 16,819.94-23,210.92-9,745

Finding the Fourth Proportional to 16,819.94, 23,210.92 and 9,745

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Solution

The fourth proportional to 16,819.94, 23,210.92 and 9,745 is: 13,447.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819.94 : 23,210.92 = 9,745 : x
  2. Step 2: Convert to fraction form
    16,819.94/23,210.92 = 9,745/x
  3. Step 3: Cross multiply
    16,819.94x = 23,210.92 × 9,745
  4. Step 4: Simplify right side
    16,819.94x = 226,190,415.40
  5. Step 5: Solve for x
    x = 226,190,415.40/16,819.94
  6. Step 6: Final answer
    x = 13,447.75

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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.