Home / 25,104.96-34,640.64-13,926.72

Finding the Fourth Proportional to 25,104.96, 34,640.64 and 13,926.72

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Solution

The fourth proportional to 25,104.96, 34,640.64 and 13,926.72 is: 19,216.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,104.96 : 34,640.64 = 13,926.72 : x
  2. Step 2: Convert to fraction form
    25,104.96/34,640.64 = 13,926.72/x
  3. Step 3: Cross multiply
    25,104.96x = 34,640.64 × 13,926.72
  4. Step 4: Simplify right side
    25,104.96x = 482,430,493.90
  5. Step 5: Solve for x
    x = 482,430,493.90/25,104.96
  6. Step 6: Final answer
    x = 19,216.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.