Home / 16,998.75-25,520.40-14,921.10

Finding the Fourth Proportional to 16,998.75, 25,520.40 and 14,921.10

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Solution

The fourth proportional to 16,998.75, 25,520.40 and 14,921.10 is: 22,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,998.75 : 25,520.40 = 14,921.10 : x
  2. Step 2: Convert to fraction form
    16,998.75/25,520.40 = 14,921.10/x
  3. Step 3: Cross multiply
    16,998.75x = 25,520.40 × 14,921.10
  4. Step 4: Simplify right side
    16,998.75x = 380,792,440.44
  5. Step 5: Solve for x
    x = 380,792,440.44/16,998.75
  6. Step 6: Final answer
    x = 22,401.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.