Home / 19,588.20-27,028.99-11,522.22

Finding the Fourth Proportional to 19,588.20, 27,028.99 and 11,522.22

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Solution

The fourth proportional to 19,588.20, 27,028.99 and 11,522.22 is: 15,899.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,588.20 : 27,028.99 = 11,522.22 : x
  2. Step 2: Convert to fraction form
    19,588.20/27,028.99 = 11,522.22/x
  3. Step 3: Cross multiply
    19,588.20x = 27,028.99 × 11,522.22
  4. Step 4: Simplify right side
    19,588.20x = 311,433,776.40
  5. Step 5: Solve for x
    x = 311,433,776.40/19,588.20
  6. Step 6: Final answer
    x = 15,899.05

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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.