Home / 14,581.98-21,867.12-5,218.80

Finding the Fourth Proportional to 14,581.98, 21,867.12 and 5,218.80

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Solution

The fourth proportional to 14,581.98, 21,867.12 and 5,218.80 is: 7,826.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581.98 : 21,867.12 = 5,218.80 : x
  2. Step 2: Convert to fraction form
    14,581.98/21,867.12 = 5,218.80/x
  3. Step 3: Cross multiply
    14,581.98x = 21,867.12 × 5,218.80
  4. Step 4: Simplify right side
    14,581.98x = 114,120,125.86
  5. Step 5: Solve for x
    x = 114,120,125.86/14,581.98
  6. Step 6: Final answer
    x = 7,826.11

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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.