Home / 14,439.75-21,668.27-6,231.75

Finding the Fourth Proportional to 14,439.75, 21,668.27 and 6,231.75

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Solution

The fourth proportional to 14,439.75, 21,668.27 and 6,231.75 is: 9,351.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.75 : 21,668.27 = 6,231.75 : x
  2. Step 2: Convert to fraction form
    14,439.75/21,668.27 = 6,231.75/x
  3. Step 3: Cross multiply
    14,439.75x = 21,668.27 × 6,231.75
  4. Step 4: Simplify right side
    14,439.75x = 135,031,210.41
  5. Step 5: Solve for x
    x = 135,031,210.41/14,439.75
  6. Step 6: Final answer
    x = 9,351.35

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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.