Home / 25,049.21-34,573.58-15,615.95

Finding the Fourth Proportional to 25,049.21, 34,573.58 and 15,615.95

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Solution

The fourth proportional to 25,049.21, 34,573.58 and 15,615.95 is: 21,553.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,049.21 : 34,573.58 = 15,615.95 : x
  2. Step 2: Convert to fraction form
    25,049.21/34,573.58 = 15,615.95/x
  3. Step 3: Cross multiply
    25,049.21x = 34,573.58 × 15,615.95
  4. Step 4: Simplify right side
    25,049.21x = 539,899,045.65
  5. Step 5: Solve for x
    x = 539,899,045.65/25,049.21
  6. Step 6: Final answer
    x = 21,553.54

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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.