Home / 25,153.71-37,723.81-11,979.87

Finding the Fourth Proportional to 25,153.71, 37,723.81 and 11,979.87

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Solution

The fourth proportional to 25,153.71, 37,723.81 and 11,979.87 is: 17,966.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,153.71 : 37,723.81 = 11,979.87 : x
  2. Step 2: Convert to fraction form
    25,153.71/37,723.81 = 11,979.87/x
  3. Step 3: Cross multiply
    25,153.71x = 37,723.81 × 11,979.87
  4. Step 4: Simplify right side
    25,153.71x = 451,926,339.70
  5. Step 5: Solve for x
    x = 451,926,339.70/25,153.71
  6. Step 6: Final answer
    x = 17,966.59

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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.