Home / 16,805.64-23,190.12-9,734.34

Finding the Fourth Proportional to 16,805.64, 23,190.12 and 9,734.34

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Solution

The fourth proportional to 16,805.64, 23,190.12 and 9,734.34 is: 13,432.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,805.64 : 23,190.12 = 9,734.34 : x
  2. Step 2: Convert to fraction form
    16,805.64/23,190.12 = 9,734.34/x
  3. Step 3: Cross multiply
    16,805.64x = 23,190.12 × 9,734.34
  4. Step 4: Simplify right side
    16,805.64x = 225,740,512.72
  5. Step 5: Solve for x
    x = 225,740,512.72/16,805.64
  6. Step 6: Final answer
    x = 13,432.43

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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.