Home / 26,401.50-36,450.63-16,986.42

Finding the Fourth Proportional to 26,401.50, 36,450.63 and 16,986.42

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Solution

The fourth proportional to 26,401.50, 36,450.63 and 16,986.42 is: 23,451.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,401.50 : 36,450.63 = 16,986.42 : x
  2. Step 2: Convert to fraction form
    26,401.50/36,450.63 = 16,986.42/x
  3. Step 3: Cross multiply
    26,401.50x = 36,450.63 × 16,986.42
  4. Step 4: Simplify right side
    26,401.50x = 619,165,710.44
  5. Step 5: Solve for x
    x = 619,165,710.44/26,401.50
  6. Step 6: Final answer
    x = 23,451.91

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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.