Home / 14,919.13-22,373.91-4,921.64

Finding the Fourth Proportional to 14,919.13, 22,373.91 and 4,921.64

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Solution

The fourth proportional to 14,919.13, 22,373.91 and 4,921.64 is: 7,380.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919.13 : 22,373.91 = 4,921.64 : x
  2. Step 2: Convert to fraction form
    14,919.13/22,373.91 = 4,921.64/x
  3. Step 3: Cross multiply
    14,919.13x = 22,373.91 × 4,921.64
  4. Step 4: Simplify right side
    14,919.13x = 110,116,218.54
  5. Step 5: Solve for x
    x = 110,116,218.54/14,919.13
  6. Step 6: Final answer
    x = 7,380.88

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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.