Home / 16,478.57-24,722.07-4,791.79

Finding the Fourth Proportional to 16,478.57, 24,722.07 and 4,791.79

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Solution

The fourth proportional to 16,478.57, 24,722.07 and 4,791.79 is: 7,188.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,478.57 : 24,722.07 = 4,791.79 : x
  2. Step 2: Convert to fraction form
    16,478.57/24,722.07 = 4,791.79/x
  3. Step 3: Cross multiply
    16,478.57x = 24,722.07 × 4,791.79
  4. Step 4: Simplify right side
    16,478.57x = 118,462,967.81
  5. Step 5: Solve for x
    x = 118,462,967.81/16,478.57
  6. Step 6: Final answer
    x = 7,188.91

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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.