Home / 15,162.88-22,736.40-4,771.84

Finding the Fourth Proportional to 15,162.88, 22,736.40 and 4,771.84

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Solution

The fourth proportional to 15,162.88, 22,736.40 and 4,771.84 is: 7,155.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,162.88 : 22,736.40 = 4,771.84 : x
  2. Step 2: Convert to fraction form
    15,162.88/22,736.40 = 4,771.84/x
  3. Step 3: Cross multiply
    15,162.88x = 22,736.40 × 4,771.84
  4. Step 4: Simplify right side
    15,162.88x = 108,494,462.98
  5. Step 5: Solve for x
    x = 108,494,462.98/15,162.88
  6. Step 6: Final answer
    x = 7,155.27

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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.