Home / 18,734.30-25,832.36-12,769.46

Finding the Fourth Proportional to 18,734.30, 25,832.36 and 12,769.46

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Solution

The fourth proportional to 18,734.30, 25,832.36 and 12,769.46 is: 17,607.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.30 : 25,832.36 = 12,769.46 : x
  2. Step 2: Convert to fraction form
    18,734.30/25,832.36 = 12,769.46/x
  3. Step 3: Cross multiply
    18,734.30x = 25,832.36 × 12,769.46
  4. Step 4: Simplify right side
    18,734.30x = 329,865,223.88
  5. Step 5: Solve for x
    x = 329,865,223.88/18,734.30
  6. Step 6: Final answer
    x = 17,607.56

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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.