Home / 25,099.75-34,637.66-13,921.75

Finding the Fourth Proportional to 25,099.75, 34,637.66 and 13,921.75

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Solution

The fourth proportional to 25,099.75, 34,637.66 and 13,921.75 is: 19,212.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,099.75 : 34,637.66 = 13,921.75 : x
  2. Step 2: Convert to fraction form
    25,099.75/34,637.66 = 13,921.75/x
  3. Step 3: Cross multiply
    25,099.75x = 34,637.66 × 13,921.75
  4. Step 4: Simplify right side
    25,099.75x = 482,216,843.11
  5. Step 5: Solve for x
    x = 482,216,843.11/25,099.75
  6. Step 6: Final answer
    x = 19,212.02

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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.