Home / 13,702.03-18,908.85-7,414.41

Finding the Fourth Proportional to 13,702.03, 18,908.85 and 7,414.41

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Solution

The fourth proportional to 13,702.03, 18,908.85 and 7,414.41 is: 10,231.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702.03 : 18,908.85 = 7,414.41 : x
  2. Step 2: Convert to fraction form
    13,702.03/18,908.85 = 7,414.41/x
  3. Step 3: Cross multiply
    13,702.03x = 18,908.85 × 7,414.41
  4. Step 4: Simplify right side
    13,702.03x = 140,197,923.42
  5. Step 5: Solve for x
    x = 140,197,923.42/13,702.03
  6. Step 6: Final answer
    x = 10,231.91

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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.