Home / 25,873.91-38,778.40-11,065.42

Finding the Fourth Proportional to 25,873.91, 38,778.40 and 11,065.42

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Solution

The fourth proportional to 25,873.91, 38,778.40 and 11,065.42 is: 16,584.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,873.91 : 38,778.40 = 11,065.42 : x
  2. Step 2: Convert to fraction form
    25,873.91/38,778.40 = 11,065.42/x
  3. Step 3: Cross multiply
    25,873.91x = 38,778.40 × 11,065.42
  4. Step 4: Simplify right side
    25,873.91x = 429,099,282.93
  5. Step 5: Solve for x
    x = 429,099,282.93/25,873.91
  6. Step 6: Final answer
    x = 16,584.25

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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.