Home / 25,046.25-34,564.91-13,868.25

Finding the Fourth Proportional to 25,046.25, 34,564.91 and 13,868.25

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Solution

The fourth proportional to 25,046.25, 34,564.91 and 13,868.25 is: 19,138.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,046.25 : 34,564.91 = 13,868.25 : x
  2. Step 2: Convert to fraction form
    25,046.25/34,564.91 = 13,868.25/x
  3. Step 3: Cross multiply
    25,046.25x = 34,564.91 × 13,868.25
  4. Step 4: Simplify right side
    25,046.25x = 479,354,813.11
  5. Step 5: Solve for x
    x = 479,354,813.11/25,046.25
  6. Step 6: Final answer
    x = 19,138.79

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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.