Home / 25,951.64-35,815.91-15,886.73

Finding the Fourth Proportional to 25,951.64, 35,815.91 and 15,886.73

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Solution

The fourth proportional to 25,951.64, 35,815.91 and 15,886.73 is: 21,925.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,951.64 : 35,815.91 = 15,886.73 : x
  2. Step 2: Convert to fraction form
    25,951.64/35,815.91 = 15,886.73/x
  3. Step 3: Cross multiply
    25,951.64x = 35,815.91 × 15,886.73
  4. Step 4: Simplify right side
    25,951.64x = 568,997,691.87
  5. Step 5: Solve for x
    x = 568,997,691.87/25,951.64
  6. Step 6: Final answer
    x = 21,925.31

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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.