Home / 15,135.98-22,704.87-5,776.89

Finding the Fourth Proportional to 15,135.98, 22,704.87 and 5,776.89

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Solution

The fourth proportional to 15,135.98, 22,704.87 and 5,776.89 is: 8,665.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135.98 : 22,704.87 = 5,776.89 : x
  2. Step 2: Convert to fraction form
    15,135.98/22,704.87 = 5,776.89/x
  3. Step 3: Cross multiply
    15,135.98x = 22,704.87 × 5,776.89
  4. Step 4: Simplify right side
    15,135.98x = 131,163,472.97
  5. Step 5: Solve for x
    x = 131,163,472.97/15,135.98
  6. Step 6: Final answer
    x = 8,665.68

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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.