Home / 14,564.88-20,100.24-8,191.59

Finding the Fourth Proportional to 14,564.88, 20,100.24 and 8,191.59

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Solution

The fourth proportional to 14,564.88, 20,100.24 and 8,191.59 is: 11,304.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,564.88 : 20,100.24 = 8,191.59 : x
  2. Step 2: Convert to fraction form
    14,564.88/20,100.24 = 8,191.59/x
  3. Step 3: Cross multiply
    14,564.88x = 20,100.24 × 8,191.59
  4. Step 4: Simplify right side
    14,564.88x = 164,652,924.98
  5. Step 5: Solve for x
    x = 164,652,924.98/14,564.88
  6. Step 6: Final answer
    x = 11,304.79

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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.