Home / 13,634.76-18,821.26-8,597.92

Finding the Fourth Proportional to 13,634.76, 18,821.26 and 8,597.92

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Solution

The fourth proportional to 13,634.76, 18,821.26 and 8,597.92 is: 11,868.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634.76 : 18,821.26 = 8,597.92 : x
  2. Step 2: Convert to fraction form
    13,634.76/18,821.26 = 8,597.92/x
  3. Step 3: Cross multiply
    13,634.76x = 18,821.26 × 8,597.92
  4. Step 4: Simplify right side
    13,634.76x = 161,823,687.78
  5. Step 5: Solve for x
    x = 161,823,687.78/13,634.76
  6. Step 6: Final answer
    x = 11,868.47

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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.