Home / 21,356.87-32,029.44-6,363.31

Finding the Fourth Proportional to 21,356.87, 32,029.44 and 6,363.31

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Solution

The fourth proportional to 21,356.87, 32,029.44 and 6,363.31 is: 9,543.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,356.87 : 32,029.44 = 6,363.31 : x
  2. Step 2: Convert to fraction form
    21,356.87/32,029.44 = 6,363.31/x
  3. Step 3: Cross multiply
    21,356.87x = 32,029.44 × 6,363.31
  4. Step 4: Simplify right side
    21,356.87x = 203,813,302.05
  5. Step 5: Solve for x
    x = 203,813,302.05/21,356.87
  6. Step 6: Final answer
    x = 9,543.22

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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.