Home / 14,635.30-20,191.73-8,261.14

Finding the Fourth Proportional to 14,635.30, 20,191.73 and 8,261.14

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Solution

The fourth proportional to 14,635.30, 20,191.73 and 8,261.14 is: 11,397.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.30 : 20,191.73 = 8,261.14 : x
  2. Step 2: Convert to fraction form
    14,635.30/20,191.73 = 8,261.14/x
  3. Step 3: Cross multiply
    14,635.30x = 20,191.73 × 8,261.14
  4. Step 4: Simplify right side
    14,635.30x = 166,806,678.55
  5. Step 5: Solve for x
    x = 166,806,678.55/14,635.30
  6. Step 6: Final answer
    x = 11,397.56

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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.