Home / 18,729.29-25,702.55-17,672.85

Finding the Fourth Proportional to 18,729.29, 25,702.55 and 17,672.85

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Solution

The fourth proportional to 18,729.29, 25,702.55 and 17,672.85 is: 24,252.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729.29 : 25,702.55 = 17,672.85 : x
  2. Step 2: Convert to fraction form
    18,729.29/25,702.55 = 17,672.85/x
  3. Step 3: Cross multiply
    18,729.29x = 25,702.55 × 17,672.85
  4. Step 4: Simplify right side
    18,729.29x = 454,237,288.68
  5. Step 5: Solve for x
    x = 454,237,288.68/18,729.29
  6. Step 6: Final answer
    x = 24,252.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.