Home / 14,470.52-21,715.45-5,110.61

Finding the Fourth Proportional to 14,470.52, 21,715.45 and 5,110.61

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Solution

The fourth proportional to 14,470.52, 21,715.45 and 5,110.61 is: 7,669.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,470.52 : 21,715.45 = 5,110.61 : x
  2. Step 2: Convert to fraction form
    14,470.52/21,715.45 = 5,110.61/x
  3. Step 3: Cross multiply
    14,470.52x = 21,715.45 × 5,110.61
  4. Step 4: Simplify right side
    14,470.52x = 110,979,074.57
  5. Step 5: Solve for x
    x = 110,979,074.57/14,470.52
  6. Step 6: Final answer
    x = 7,669.32

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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.