Home / 13,836.75-19,094.73-8,247.75

Finding the Fourth Proportional to 13,836.75, 19,094.73 and 8,247.75

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Solution

The fourth proportional to 13,836.75, 19,094.73 and 8,247.75 is: 11,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.75 : 19,094.73 = 8,247.75 : x
  2. Step 2: Convert to fraction form
    13,836.75/19,094.73 = 8,247.75/x
  3. Step 3: Cross multiply
    13,836.75x = 19,094.73 × 8,247.75
  4. Step 4: Simplify right side
    13,836.75x = 157,488,559.36
  5. Step 5: Solve for x
    x = 157,488,559.36/13,836.75
  6. Step 6: Final answer
    x = 11,381.90

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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.