Home / 14,635.88-20,192.54-8,261.72

Finding the Fourth Proportional to 14,635.88, 20,192.54 and 8,261.72

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Solution

The fourth proportional to 14,635.88, 20,192.54 and 8,261.72 is: 11,398.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.88 : 20,192.54 = 8,261.72 : x
  2. Step 2: Convert to fraction form
    14,635.88/20,192.54 = 8,261.72/x
  3. Step 3: Cross multiply
    14,635.88x = 20,192.54 × 8,261.72
  4. Step 4: Simplify right side
    14,635.88x = 166,825,111.57
  5. Step 5: Solve for x
    x = 166,825,111.57/14,635.88
  6. Step 6: Final answer
    x = 11,398.37

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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.