Home / 25,315.92-34,922.72-16,815.76

Finding the Fourth Proportional to 25,315.92, 34,922.72 and 16,815.76

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Solution

The fourth proportional to 25,315.92, 34,922.72 and 16,815.76 is: 23,196.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,315.92 : 34,922.72 = 16,815.76 : x
  2. Step 2: Convert to fraction form
    25,315.92/34,922.72 = 16,815.76/x
  3. Step 3: Cross multiply
    25,315.92x = 34,922.72 × 16,815.76
  4. Step 4: Simplify right side
    25,315.92x = 587,252,078.07
  5. Step 5: Solve for x
    x = 587,252,078.07/25,315.92
  6. Step 6: Final answer
    x = 23,196.95

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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.