Home / 14,986.42-22,473.78-5,621.32

Finding the Fourth Proportional to 14,986.42, 22,473.78 and 5,621.32

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Solution

The fourth proportional to 14,986.42, 22,473.78 and 5,621.32 is: 8,429.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,986.42 : 22,473.78 = 5,621.32 : x
  2. Step 2: Convert to fraction form
    14,986.42/22,473.78 = 5,621.32/x
  3. Step 3: Cross multiply
    14,986.42x = 22,473.78 × 5,621.32
  4. Step 4: Simplify right side
    14,986.42x = 126,332,308.99
  5. Step 5: Solve for x
    x = 126,332,308.99/14,986.42
  6. Step 6: Final answer
    x = 8,429.79

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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.