Home / 20,257.16-27,892.50-17,266.28

Finding the Fourth Proportional to 20,257.16, 27,892.50 and 17,266.28

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Solution

The fourth proportional to 20,257.16, 27,892.50 and 17,266.28 is: 23,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,257.16 : 27,892.50 = 17,266.28 : x
  2. Step 2: Convert to fraction form
    20,257.16/27,892.50 = 17,266.28/x
  3. Step 3: Cross multiply
    20,257.16x = 27,892.50 × 17,266.28
  4. Step 4: Simplify right side
    20,257.16x = 481,599,714.90
  5. Step 5: Solve for x
    x = 481,599,714.90/20,257.16
  6. Step 6: Final answer
    x = 23,774.30

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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.