Home / 19,568.71-27,008.94-12,493.90

Finding the Fourth Proportional to 19,568.71, 27,008.94 and 12,493.90

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Solution

The fourth proportional to 19,568.71, 27,008.94 and 12,493.90 is: 17,244.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,568.71 : 27,008.94 = 12,493.90 : x
  2. Step 2: Convert to fraction form
    19,568.71/27,008.94 = 12,493.90/x
  3. Step 3: Cross multiply
    19,568.71x = 27,008.94 × 12,493.90
  4. Step 4: Simplify right side
    19,568.71x = 337,446,995.47
  5. Step 5: Solve for x
    x = 337,446,995.47/19,568.71
  6. Step 6: Final answer
    x = 17,244.21

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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.