Home / 21,786.95-32,677.34-6,993.92

Finding the Fourth Proportional to 21,786.95, 32,677.34 and 6,993.92

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Solution

The fourth proportional to 21,786.95, 32,677.34 and 6,993.92 is: 10,489.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,786.95 : 32,677.34 = 6,993.92 : x
  2. Step 2: Convert to fraction form
    21,786.95/32,677.34 = 6,993.92/x
  3. Step 3: Cross multiply
    21,786.95x = 32,677.34 × 6,993.92
  4. Step 4: Simplify right side
    21,786.95x = 228,542,701.77
  5. Step 5: Solve for x
    x = 228,542,701.77/21,786.95
  6. Step 6: Final answer
    x = 10,489.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.