Home / 25,859.52-38,784.24-11,815.56

Finding the Fourth Proportional to 25,859.52, 38,784.24 and 11,815.56

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Solution

The fourth proportional to 25,859.52, 38,784.24 and 11,815.56 is: 17,721.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,859.52 : 38,784.24 = 11,815.56 : x
  2. Step 2: Convert to fraction form
    25,859.52/38,784.24 = 11,815.56/x
  3. Step 3: Cross multiply
    25,859.52x = 38,784.24 × 11,815.56
  4. Step 4: Simplify right side
    25,859.52x = 458,257,514.77
  5. Step 5: Solve for x
    x = 458,257,514.77/25,859.52
  6. Step 6: Final answer
    x = 17,721.04

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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.