Home / 14,390.72-21,589.68-4,529.60

Finding the Fourth Proportional to 14,390.72, 21,589.68 and 4,529.60

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Solution

The fourth proportional to 14,390.72, 21,589.68 and 4,529.60 is: 6,795.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.72 : 21,589.68 = 4,529.60 : x
  2. Step 2: Convert to fraction form
    14,390.72/21,589.68 = 4,529.60/x
  3. Step 3: Cross multiply
    14,390.72x = 21,589.68 × 4,529.60
  4. Step 4: Simplify right side
    14,390.72x = 97,792,614.53
  5. Step 5: Solve for x
    x = 97,792,614.53/14,390.72
  6. Step 6: Final answer
    x = 6,795.53

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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.