Home / 21,363.72-32,048.13-8,892.17

Finding the Fourth Proportional to 21,363.72, 32,048.13 and 8,892.17

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Solution

The fourth proportional to 21,363.72, 32,048.13 and 8,892.17 is: 13,339.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,363.72 : 32,048.13 = 8,892.17 : x
  2. Step 2: Convert to fraction form
    21,363.72/32,048.13 = 8,892.17/x
  3. Step 3: Cross multiply
    21,363.72x = 32,048.13 × 8,892.17
  4. Step 4: Simplify right side
    21,363.72x = 284,977,420.14
  5. Step 5: Solve for x
    x = 284,977,420.14/21,363.72
  6. Step 6: Final answer
    x = 13,339.32

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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.