Home / 14,315.29-21,474.97-5,551.09

Finding the Fourth Proportional to 14,315.29, 21,474.97 and 5,551.09

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Solution

The fourth proportional to 14,315.29, 21,474.97 and 5,551.09 is: 8,327.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.29 : 21,474.97 = 5,551.09 : x
  2. Step 2: Convert to fraction form
    14,315.29/21,474.97 = 5,551.09/x
  3. Step 3: Cross multiply
    14,315.29x = 21,474.97 × 5,551.09
  4. Step 4: Simplify right side
    14,315.29x = 119,209,491.22
  5. Step 5: Solve for x
    x = 119,209,491.22/14,315.29
  6. Step 6: Final answer
    x = 8,327.42

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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.