Home / 14,309.84-21,466.22-3,921.59

Finding the Fourth Proportional to 14,309.84, 21,466.22 and 3,921.59

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Solution

The fourth proportional to 14,309.84, 21,466.22 and 3,921.59 is: 5,882.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,309.84 : 21,466.22 = 3,921.59 : x
  2. Step 2: Convert to fraction form
    14,309.84/21,466.22 = 3,921.59/x
  3. Step 3: Cross multiply
    14,309.84x = 21,466.22 × 3,921.59
  4. Step 4: Simplify right side
    14,309.84x = 84,181,586.75
  5. Step 5: Solve for x
    x = 84,181,586.75/14,309.84
  6. Step 6: Final answer
    x = 5,882.78

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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.