Home / 19,685.66-27,108.14-17,589.02

Finding the Fourth Proportional to 19,685.66, 27,108.14 and 17,589.02

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Solution

The fourth proportional to 19,685.66, 27,108.14 and 17,589.02 is: 24,220.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685.66 : 27,108.14 = 17,589.02 : x
  2. Step 2: Convert to fraction form
    19,685.66/27,108.14 = 17,589.02/x
  3. Step 3: Cross multiply
    19,685.66x = 27,108.14 × 17,589.02
  4. Step 4: Simplify right side
    19,685.66x = 476,805,616.62
  5. Step 5: Solve for x
    x = 476,805,616.62/19,685.66
  6. Step 6: Final answer
    x = 24,220.96

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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.