Home / 16,996.68-23,448.84-12,531

Finding the Fourth Proportional to 16,996.68, 23,448.84 and 12,531

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Solution

The fourth proportional to 16,996.68, 23,448.84 and 12,531 is: 17,287.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,996.68 : 23,448.84 = 12,531 : x
  2. Step 2: Convert to fraction form
    16,996.68/23,448.84 = 12,531/x
  3. Step 3: Cross multiply
    16,996.68x = 23,448.84 × 12,531
  4. Step 4: Simplify right side
    16,996.68x = 293,837,414.04
  5. Step 5: Solve for x
    x = 293,837,414.04/16,996.68
  6. Step 6: Final answer
    x = 17,287.93

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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.