Home / 14,510.57-21,765.40-4,122.32

Finding the Fourth Proportional to 14,510.57, 21,765.40 and 4,122.32

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Solution

The fourth proportional to 14,510.57, 21,765.40 and 4,122.32 is: 6,183.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,510.57 : 21,765.40 = 4,122.32 : x
  2. Step 2: Convert to fraction form
    14,510.57/21,765.40 = 4,122.32/x
  3. Step 3: Cross multiply
    14,510.57x = 21,765.40 × 4,122.32
  4. Step 4: Simplify right side
    14,510.57x = 89,723,824.60
  5. Step 5: Solve for x
    x = 89,723,824.60/14,510.57
  6. Step 6: Final answer
    x = 6,183.34

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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.