Home / 25,433.88-38,150.82-7,903.71

Finding the Fourth Proportional to 25,433.88, 38,150.82 and 7,903.71

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Solution

The fourth proportional to 25,433.88, 38,150.82 and 7,903.71 is: 11,855.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,433.88 : 38,150.82 = 7,903.71 : x
  2. Step 2: Convert to fraction form
    25,433.88/38,150.82 = 7,903.71/x
  3. Step 3: Cross multiply
    25,433.88x = 38,150.82 × 7,903.71
  4. Step 4: Simplify right side
    25,433.88x = 301,533,017.54
  5. Step 5: Solve for x
    x = 301,533,017.54/25,433.88
  6. Step 6: Final answer
    x = 11,855.57

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1.5x scale

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.