Home / 20,024.88-27,635.38-11,528.28

Finding the Fourth Proportional to 20,024.88, 27,635.38 and 11,528.28

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Solution

The fourth proportional to 20,024.88, 27,635.38 and 11,528.28 is: 15,909.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,024.88 : 27,635.38 = 11,528.28 : x
  2. Step 2: Convert to fraction form
    20,024.88/27,635.38 = 11,528.28/x
  3. Step 3: Cross multiply
    20,024.88x = 27,635.38 × 11,528.28
  4. Step 4: Simplify right side
    20,024.88x = 318,588,398.55
  5. Step 5: Solve for x
    x = 318,588,398.55/20,024.88
  6. Step 6: Final answer
    x = 15,909.63

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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.