Home / 13,874.48-19,146.66-7,586.90

Finding the Fourth Proportional to 13,874.48, 19,146.66 and 7,586.90

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Solution

The fourth proportional to 13,874.48, 19,146.66 and 7,586.90 is: 10,469.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,874.48 : 19,146.66 = 7,586.90 : x
  2. Step 2: Convert to fraction form
    13,874.48/19,146.66 = 7,586.90/x
  3. Step 3: Cross multiply
    13,874.48x = 19,146.66 × 7,586.90
  4. Step 4: Simplify right side
    13,874.48x = 145,263,794.75
  5. Step 5: Solve for x
    x = 145,263,794.75/13,874.48
  6. Step 6: Final answer
    x = 10,469.86

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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.