Home / 14,579.35-21,872.21-4,718.49

Finding the Fourth Proportional to 14,579.35, 21,872.21 and 4,718.49

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Solution

The fourth proportional to 14,579.35, 21,872.21 and 4,718.49 is: 7,078.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579.35 : 21,872.21 = 4,718.49 : x
  2. Step 2: Convert to fraction form
    14,579.35/21,872.21 = 4,718.49/x
  3. Step 3: Cross multiply
    14,579.35x = 21,872.21 × 4,718.49
  4. Step 4: Simplify right side
    14,579.35x = 103,203,804.16
  5. Step 5: Solve for x
    x = 103,203,804.16/14,579.35
  6. Step 6: Final answer
    x = 7,078.77

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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.