Home / 25,664.70-38,511.45-10,871.10

Finding the Fourth Proportional to 25,664.70, 38,511.45 and 10,871.10

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Solution

The fourth proportional to 25,664.70, 38,511.45 and 10,871.10 is: 16,312.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,664.70 : 38,511.45 = 10,871.10 : x
  2. Step 2: Convert to fraction form
    25,664.70/38,511.45 = 10,871.10/x
  3. Step 3: Cross multiply
    25,664.70x = 38,511.45 × 10,871.10
  4. Step 4: Simplify right side
    25,664.70x = 418,661,824.10
  5. Step 5: Solve for x
    x = 418,661,824.10/25,664.70
  6. Step 6: Final answer
    x = 16,312.75

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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.