Home / 14,621.44-21,929.92-4,760.64

Finding the Fourth Proportional to 14,621.44, 21,929.92 and 4,760.64

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Solution

The fourth proportional to 14,621.44, 21,929.92 and 4,760.64 is: 7,140.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.44 : 21,929.92 = 4,760.64 : x
  2. Step 2: Convert to fraction form
    14,621.44/21,929.92 = 4,760.64/x
  3. Step 3: Cross multiply
    14,621.44x = 21,929.92 × 4,760.64
  4. Step 4: Simplify right side
    14,621.44x = 104,400,454.35
  5. Step 5: Solve for x
    x = 104,400,454.35/14,621.44
  6. Step 6: Final answer
    x = 7,140.23

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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.