Home / 14,720.28-22,079.92-4,859.32

Finding the Fourth Proportional to 14,720.28, 22,079.92 and 4,859.32

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Solution

The fourth proportional to 14,720.28, 22,079.92 and 4,859.32 is: 7,288.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.28 : 22,079.92 = 4,859.32 : x
  2. Step 2: Convert to fraction form
    14,720.28/22,079.92 = 4,859.32/x
  3. Step 3: Cross multiply
    14,720.28x = 22,079.92 × 4,859.32
  4. Step 4: Simplify right side
    14,720.28x = 107,293,396.85
  5. Step 5: Solve for x
    x = 107,293,396.85/14,720.28
  6. Step 6: Final answer
    x = 7,288.81

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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.