Home / 17,685.39-26,504.64-12,983.41

Finding the Fourth Proportional to 17,685.39, 26,504.64 and 12,983.41

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Solution

The fourth proportional to 17,685.39, 26,504.64 and 12,983.41 is: 19,457.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,685.39 : 26,504.64 = 12,983.41 : x
  2. Step 2: Convert to fraction form
    17,685.39/26,504.64 = 12,983.41/x
  3. Step 3: Cross multiply
    17,685.39x = 26,504.64 × 12,983.41
  4. Step 4: Simplify right side
    17,685.39x = 344,120,752.21
  5. Step 5: Solve for x
    x = 344,120,752.21/17,685.39
  6. Step 6: Final answer
    x = 19,457.91

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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.