Home / 14,184.18-21,267.97-4,821.09

Finding the Fourth Proportional to 14,184.18, 21,267.97 and 4,821.09

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Solution

The fourth proportional to 14,184.18, 21,267.97 and 4,821.09 is: 7,228.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.18 : 21,267.97 = 4,821.09 : x
  2. Step 2: Convert to fraction form
    14,184.18/21,267.97 = 4,821.09/x
  3. Step 3: Cross multiply
    14,184.18x = 21,267.97 × 4,821.09
  4. Step 4: Simplify right side
    14,184.18x = 102,534,705.68
  5. Step 5: Solve for x
    x = 102,534,705.68/14,184.18
  6. Step 6: Final answer
    x = 7,228.81

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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.