Home / 19,991.58-27,567.68-17,168.30

Finding the Fourth Proportional to 19,991.58, 27,567.68 and 17,168.30

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Solution

The fourth proportional to 19,991.58, 27,567.68 and 17,168.30 is: 23,674.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991.58 : 27,567.68 = 17,168.30 : x
  2. Step 2: Convert to fraction form
    19,991.58/27,567.68 = 17,168.30/x
  3. Step 3: Cross multiply
    19,991.58x = 27,567.68 × 17,168.30
  4. Step 4: Simplify right side
    19,991.58x = 473,290,114.70
  5. Step 5: Solve for x
    x = 473,290,114.70/19,991.58
  6. Step 6: Final answer
    x = 23,674.47

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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.