Home / 21,754.17-32,625.25-7,712.35

Finding the Fourth Proportional to 21,754.17, 32,625.25 and 7,712.35

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Solution

The fourth proportional to 21,754.17, 32,625.25 and 7,712.35 is: 11,566.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,754.17 : 32,625.25 = 7,712.35 : x
  2. Step 2: Convert to fraction form
    21,754.17/32,625.25 = 7,712.35/x
  3. Step 3: Cross multiply
    21,754.17x = 32,625.25 × 7,712.35
  4. Step 4: Simplify right side
    21,754.17x = 251,617,245.99
  5. Step 5: Solve for x
    x = 251,617,245.99/21,754.17
  6. Step 6: Final answer
    x = 11,566.39

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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.