Home / 13,904.60-19,188.83-7,616.97

Finding the Fourth Proportional to 13,904.60, 19,188.83 and 7,616.97

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Solution

The fourth proportional to 13,904.60, 19,188.83 and 7,616.97 is: 10,511.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.60 : 19,188.83 = 7,616.97 : x
  2. Step 2: Convert to fraction form
    13,904.60/19,188.83 = 7,616.97/x
  3. Step 3: Cross multiply
    13,904.60x = 19,188.83 × 7,616.97
  4. Step 4: Simplify right side
    13,904.60x = 146,160,761.49
  5. Step 5: Solve for x
    x = 146,160,761.49/13,904.60
  6. Step 6: Final answer
    x = 10,511.69

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1.5x scale

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.