Home / 16,396.71-22,619.76-9,677.76

Finding the Fourth Proportional to 16,396.71, 22,619.76 and 9,677.76

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Solution

The fourth proportional to 16,396.71, 22,619.76 and 9,677.76 is: 13,350.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,396.71 : 22,619.76 = 9,677.76 : x
  2. Step 2: Convert to fraction form
    16,396.71/22,619.76 = 9,677.76/x
  3. Step 3: Cross multiply
    16,396.71x = 22,619.76 × 9,677.76
  4. Step 4: Simplify right side
    16,396.71x = 218,908,608.54
  5. Step 5: Solve for x
    x = 218,908,608.54/16,396.71
  6. Step 6: Final answer
    x = 13,350.76

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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.