Home / 14,515.97-21,775.91-5,631.08

Finding the Fourth Proportional to 14,515.97, 21,775.91 and 5,631.08

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Solution

The fourth proportional to 14,515.97, 21,775.91 and 5,631.08 is: 8,447.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.97 : 21,775.91 = 5,631.08 : x
  2. Step 2: Convert to fraction form
    14,515.97/21,775.91 = 5,631.08/x
  3. Step 3: Cross multiply
    14,515.97x = 21,775.91 × 5,631.08
  4. Step 4: Simplify right side
    14,515.97x = 122,621,754.25
  5. Step 5: Solve for x
    x = 122,621,754.25/14,515.97
  6. Step 6: Final answer
    x = 8,447.37

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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.