Home / 14,470.92-21,709.62-5,111.64

Finding the Fourth Proportional to 14,470.92, 21,709.62 and 5,111.64

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Solution

The fourth proportional to 14,470.92, 21,709.62 and 5,111.64 is: 7,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,470.92 : 21,709.62 = 5,111.64 : x
  2. Step 2: Convert to fraction form
    14,470.92/21,709.62 = 5,111.64/x
  3. Step 3: Cross multiply
    14,470.92x = 21,709.62 × 5,111.64
  4. Step 4: Simplify right side
    14,470.92x = 110,971,761.98
  5. Step 5: Solve for x
    x = 110,971,761.98/14,470.92
  6. Step 6: Final answer
    x = 7,668.60

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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.