Home / 25,769.66-38,664.21-9,129.02

Finding the Fourth Proportional to 25,769.66, 38,664.21 and 9,129.02

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Solution

The fourth proportional to 25,769.66, 38,664.21 and 9,129.02 is: 13,696.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,769.66 : 38,664.21 = 9,129.02 : x
  2. Step 2: Convert to fraction form
    25,769.66/38,664.21 = 9,129.02/x
  3. Step 3: Cross multiply
    25,769.66x = 38,664.21 × 9,129.02
  4. Step 4: Simplify right side
    25,769.66x = 352,966,346.37
  5. Step 5: Solve for x
    x = 352,966,346.37/25,769.66
  6. Step 6: Final answer
    x = 13,696.97

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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.