Home / 14,072.10-21,108.15-3,683.85

Finding the Fourth Proportional to 14,072.10, 21,108.15 and 3,683.85

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Solution

The fourth proportional to 14,072.10, 21,108.15 and 3,683.85 is: 5,525.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.10 : 21,108.15 = 3,683.85 : x
  2. Step 2: Convert to fraction form
    14,072.10/21,108.15 = 3,683.85/x
  3. Step 3: Cross multiply
    14,072.10x = 21,108.15 × 3,683.85
  4. Step 4: Simplify right side
    14,072.10x = 77,759,258.38
  5. Step 5: Solve for x
    x = 77,759,258.38/14,072.10
  6. Step 6: Final answer
    x = 5,525.78

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.