Home / 14,716.65-20,308.91-8,670.41

Finding the Fourth Proportional to 14,716.65, 20,308.91 and 8,670.41

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Solution

The fourth proportional to 14,716.65, 20,308.91 and 8,670.41 is: 11,965.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,716.65 : 20,308.91 = 8,670.41 : x
  2. Step 2: Convert to fraction form
    14,716.65/20,308.91 = 8,670.41/x
  3. Step 3: Cross multiply
    14,716.65x = 20,308.91 × 8,670.41
  4. Step 4: Simplify right side
    14,716.65x = 176,086,576.35
  5. Step 5: Solve for x
    x = 176,086,576.35/14,716.65
  6. Step 6: Final answer
    x = 11,965.13

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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.