Home / 22,453.14-30,987.99-13,022.04

Finding the Fourth Proportional to 22,453.14, 30,987.99 and 13,022.04

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Solution

The fourth proportional to 22,453.14, 30,987.99 and 13,022.04 is: 17,971.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,453.14 : 30,987.99 = 13,022.04 : x
  2. Step 2: Convert to fraction form
    22,453.14/30,987.99 = 13,022.04/x
  3. Step 3: Cross multiply
    22,453.14x = 30,987.99 × 13,022.04
  4. Step 4: Simplify right side
    22,453.14x = 403,526,845.30
  5. Step 5: Solve for x
    x = 403,526,845.30/22,453.14
  6. Step 6: Final answer
    x = 17,971.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.