Home / 16,881.28-23,296.14-9,811.96

Finding the Fourth Proportional to 16,881.28, 23,296.14 and 9,811.96

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Solution

The fourth proportional to 16,881.28, 23,296.14 and 9,811.96 is: 13,540.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,881.28 : 23,296.14 = 9,811.96 : x
  2. Step 2: Convert to fraction form
    16,881.28/23,296.14 = 9,811.96/x
  3. Step 3: Cross multiply
    16,881.28x = 23,296.14 × 9,811.96
  4. Step 4: Simplify right side
    16,881.28x = 228,580,793.83
  5. Step 5: Solve for x
    x = 228,580,793.83/16,881.28
  6. Step 6: Final answer
    x = 13,540.49

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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.