Home / 14,377.18-21,571.11-6,477.32

Finding the Fourth Proportional to 14,377.18, 21,571.11 and 6,477.32

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Solution

The fourth proportional to 14,377.18, 21,571.11 and 6,477.32 is: 9,718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,377.18 : 21,571.11 = 6,477.32 : x
  2. Step 2: Convert to fraction form
    14,377.18/21,571.11 = 6,477.32/x
  3. Step 3: Cross multiply
    14,377.18x = 21,571.11 × 6,477.32
  4. Step 4: Simplify right side
    14,377.18x = 139,722,874.37
  5. Step 5: Solve for x
    x = 139,722,874.37/14,377.18
  6. Step 6: Final answer
    x = 9,718.38

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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.