Home / 25,584.40-38,418.28-15,785.92

Finding the Fourth Proportional to 25,584.40, 38,418.28 and 15,785.92

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Solution

The fourth proportional to 25,584.40, 38,418.28 and 15,785.92 is: 23,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,584.40 : 38,418.28 = 15,785.92 : x
  2. Step 2: Convert to fraction form
    25,584.40/38,418.28 = 15,785.92/x
  3. Step 3: Cross multiply
    25,584.40x = 38,418.28 × 15,785.92
  4. Step 4: Simplify right side
    25,584.40x = 606,467,894.62
  5. Step 5: Solve for x
    x = 606,467,894.62/25,584.40
  6. Step 6: Final answer
    x = 23,704.60

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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.