Home / 13,874.62-19,146.01-8,764.18

Finding the Fourth Proportional to 13,874.62, 19,146.01 and 8,764.18

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Solution

The fourth proportional to 13,874.62, 19,146.01 and 8,764.18 is: 12,093.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,874.62 : 19,146.01 = 8,764.18 : x
  2. Step 2: Convert to fraction form
    13,874.62/19,146.01 = 8,764.18/x
  3. Step 3: Cross multiply
    13,874.62x = 19,146.01 × 8,764.18
  4. Step 4: Simplify right side
    13,874.62x = 167,799,077.92
  5. Step 5: Solve for x
    x = 167,799,077.92/13,874.62
  6. Step 6: Final answer
    x = 12,093.96

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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.