Home / 16,219.17-22,382.51-9,145.59

Finding the Fourth Proportional to 16,219.17, 22,382.51 and 9,145.59

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Solution

The fourth proportional to 16,219.17, 22,382.51 and 9,145.59 is: 12,620.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,219.17 : 22,382.51 = 9,145.59 : x
  2. Step 2: Convert to fraction form
    16,219.17/22,382.51 = 9,145.59/x
  3. Step 3: Cross multiply
    16,219.17x = 22,382.51 × 9,145.59
  4. Step 4: Simplify right side
    16,219.17x = 204,701,213.90
  5. Step 5: Solve for x
    x = 204,701,213.90/16,219.17
  6. Step 6: Final answer
    x = 12,620.94

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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.