Home / 25,465.90-38,198.76-7,935.74

Finding the Fourth Proportional to 25,465.90, 38,198.76 and 7,935.74

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Solution

The fourth proportional to 25,465.90, 38,198.76 and 7,935.74 is: 11,903.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,465.90 : 38,198.76 = 7,935.74 : x
  2. Step 2: Convert to fraction form
    25,465.90/38,198.76 = 7,935.74/x
  3. Step 3: Cross multiply
    25,465.90x = 38,198.76 × 7,935.74
  4. Step 4: Simplify right side
    25,465.90x = 303,135,427.68
  5. Step 5: Solve for x
    x = 303,135,427.68/25,465.90
  6. Step 6: Final answer
    x = 11,903.58

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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.