Home / 25,747.47-38,611.49-11,886.75

Finding the Fourth Proportional to 25,747.47, 38,611.49 and 11,886.75

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Solution

The fourth proportional to 25,747.47, 38,611.49 and 11,886.75 is: 17,825.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,747.47 : 38,611.49 = 11,886.75 : x
  2. Step 2: Convert to fraction form
    25,747.47/38,611.49 = 11,886.75/x
  3. Step 3: Cross multiply
    25,747.47x = 38,611.49 × 11,886.75
  4. Step 4: Simplify right side
    25,747.47x = 458,965,069.32
  5. Step 5: Solve for x
    x = 458,965,069.32/25,747.47
  6. Step 6: Final answer
    x = 17,825.64

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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.