Home / 25,702.11-35,469.16-15,091.92

Finding the Fourth Proportional to 25,702.11, 35,469.16 and 15,091.92

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Solution

The fourth proportional to 25,702.11, 35,469.16 and 15,091.92 is: 20,826.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,702.11 : 35,469.16 = 15,091.92 : x
  2. Step 2: Convert to fraction form
    25,702.11/35,469.16 = 15,091.92/x
  3. Step 3: Cross multiply
    25,702.11x = 35,469.16 × 15,091.92
  4. Step 4: Simplify right side
    25,702.11x = 535,297,687.46
  5. Step 5: Solve for x
    x = 535,297,687.46/25,702.11
  6. Step 6: Final answer
    x = 20,826.99

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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.