Home / 19,914.86-29,874.90-6,763.70

Finding the Fourth Proportional to 19,914.86, 29,874.90 and 6,763.70

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Solution

The fourth proportional to 19,914.86, 29,874.90 and 6,763.70 is: 10,146.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914.86 : 29,874.90 = 6,763.70 : x
  2. Step 2: Convert to fraction form
    19,914.86/29,874.90 = 6,763.70/x
  3. Step 3: Cross multiply
    19,914.86x = 29,874.90 × 6,763.70
  4. Step 4: Simplify right side
    19,914.86x = 202,064,861.13
  5. Step 5: Solve for x
    x = 202,064,861.13/19,914.86
  6. Step 6: Final answer
    x = 10,146.44

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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.