Home / 14,575.25-21,867.49-5,215.06

Finding the Fourth Proportional to 14,575.25, 21,867.49 and 5,215.06

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Solution

The fourth proportional to 14,575.25, 21,867.49 and 5,215.06 is: 7,824.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,575.25 : 21,867.49 = 5,215.06 : x
  2. Step 2: Convert to fraction form
    14,575.25/21,867.49 = 5,215.06/x
  3. Step 3: Cross multiply
    14,575.25x = 21,867.49 × 5,215.06
  4. Step 4: Simplify right side
    14,575.25x = 114,040,272.40
  5. Step 5: Solve for x
    x = 114,040,272.40/14,575.25
  6. Step 6: Final answer
    x = 7,824.24

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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.