Home / 16,619.43-22,935-9,908.91

Finding the Fourth Proportional to 16,619.43, 22,935 and 9,908.91

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Solution

The fourth proportional to 16,619.43, 22,935 and 9,908.91 is: 13,674.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,619.43 : 22,935 = 9,908.91 : x
  2. Step 2: Convert to fraction form
    16,619.43/22,935 = 9,908.91/x
  3. Step 3: Cross multiply
    16,619.43x = 22,935 × 9,908.91
  4. Step 4: Simplify right side
    16,619.43x = 227,260,850.85
  5. Step 5: Solve for x
    x = 227,260,850.85/16,619.43
  6. Step 6: Final answer
    x = 13,674.41

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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.