Home / 25,394.06-38,077.50-12,906.38

Finding the Fourth Proportional to 25,394.06, 38,077.50 and 12,906.38

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Solution

The fourth proportional to 25,394.06, 38,077.50 and 12,906.38 is: 19,352.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,394.06 : 38,077.50 = 12,906.38 : x
  2. Step 2: Convert to fraction form
    25,394.06/38,077.50 = 12,906.38/x
  3. Step 3: Cross multiply
    25,394.06x = 38,077.50 × 12,906.38
  4. Step 4: Simplify right side
    25,394.06x = 491,442,684.45
  5. Step 5: Solve for x
    x = 491,442,684.45/25,394.06
  6. Step 6: Final answer
    x = 19,352.66

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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.