Home / 14,012.50-19,336.77-7,724.50

Finding the Fourth Proportional to 14,012.50, 19,336.77 and 7,724.50

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Solution

The fourth proportional to 14,012.50, 19,336.77 and 7,724.50 is: 10,659.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.50 : 19,336.77 = 7,724.50 : x
  2. Step 2: Convert to fraction form
    14,012.50/19,336.77 = 7,724.50/x
  3. Step 3: Cross multiply
    14,012.50x = 19,336.77 × 7,724.50
  4. Step 4: Simplify right side
    14,012.50x = 149,366,879.87
  5. Step 5: Solve for x
    x = 149,366,879.87/14,012.50
  6. Step 6: Final answer
    x = 10,659.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.