Home / 17,985.70-24,853.26-17,121.49

Finding the Fourth Proportional to 17,985.70, 24,853.26 and 17,121.49

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Solution

The fourth proportional to 17,985.70, 24,853.26 and 17,121.49 is: 23,659.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,985.70 : 24,853.26 = 17,121.49 : x
  2. Step 2: Convert to fraction form
    17,985.70/24,853.26 = 17,121.49/x
  3. Step 3: Cross multiply
    17,985.70x = 24,853.26 × 17,121.49
  4. Step 4: Simplify right side
    17,985.70x = 425,524,984.43
  5. Step 5: Solve for x
    x = 425,524,984.43/17,985.70
  6. Step 6: Final answer
    x = 23,659.08

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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.