Home / 25,607.54-38,435.10-13,136.48

Finding the Fourth Proportional to 25,607.54, 38,435.10 and 13,136.48

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Solution

The fourth proportional to 25,607.54, 38,435.10 and 13,136.48 is: 19,716.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,607.54 : 38,435.10 = 13,136.48 : x
  2. Step 2: Convert to fraction form
    25,607.54/38,435.10 = 13,136.48/x
  3. Step 3: Cross multiply
    25,607.54x = 38,435.10 × 13,136.48
  4. Step 4: Simplify right side
    25,607.54x = 504,901,922.45
  5. Step 5: Solve for x
    x = 504,901,922.45/25,607.54
  6. Step 6: Final answer
    x = 19,716.92

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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.