Home / 25,988.69-38,951.90-10,183.86

Finding the Fourth Proportional to 25,988.69, 38,951.90 and 10,183.86

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Solution

The fourth proportional to 25,988.69, 38,951.90 and 10,183.86 is: 15,263.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,988.69 : 38,951.90 = 10,183.86 : x
  2. Step 2: Convert to fraction form
    25,988.69/38,951.90 = 10,183.86/x
  3. Step 3: Cross multiply
    25,988.69x = 38,951.90 × 10,183.86
  4. Step 4: Simplify right side
    25,988.69x = 396,680,645.41
  5. Step 5: Solve for x
    x = 396,680,645.41/25,988.69
  6. Step 6: Final answer
    x = 15,263.59

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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.