Home / 25,667.28-38,495.25-9,866.61

Finding the Fourth Proportional to 25,667.28, 38,495.25 and 9,866.61

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Solution

The fourth proportional to 25,667.28, 38,495.25 and 9,866.61 is: 14,797.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,667.28 : 38,495.25 = 9,866.61 : x
  2. Step 2: Convert to fraction form
    25,667.28/38,495.25 = 9,866.61/x
  3. Step 3: Cross multiply
    25,667.28x = 38,495.25 × 9,866.61
  4. Step 4: Simplify right side
    25,667.28x = 379,817,618.60
  5. Step 5: Solve for x
    x = 379,817,618.60/25,667.28
  6. Step 6: Final answer
    x = 14,797.74

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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.