Home / 14,488.20-21,716.10-6,166.80

Finding the Fourth Proportional to 14,488.20, 21,716.10 and 6,166.80

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Solution

The fourth proportional to 14,488.20, 21,716.10 and 6,166.80 is: 9,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,488.20 : 21,716.10 = 6,166.80 : x
  2. Step 2: Convert to fraction form
    14,488.20/21,716.10 = 6,166.80/x
  3. Step 3: Cross multiply
    14,488.20x = 21,716.10 × 6,166.80
  4. Step 4: Simplify right side
    14,488.20x = 133,918,845.48
  5. Step 5: Solve for x
    x = 133,918,845.48/14,488.20
  6. Step 6: Final answer
    x = 9,243.30

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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.