Home / 17,921.24-24,774.62-16,426.80

Finding the Fourth Proportional to 17,921.24, 24,774.62 and 16,426.80

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Solution

The fourth proportional to 17,921.24, 24,774.62 and 16,426.80 is: 22,708.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.24 : 24,774.62 = 16,426.80 : x
  2. Step 2: Convert to fraction form
    17,921.24/24,774.62 = 16,426.80/x
  3. Step 3: Cross multiply
    17,921.24x = 24,774.62 × 16,426.80
  4. Step 4: Simplify right side
    17,921.24x = 406,967,727.82
  5. Step 5: Solve for x
    x = 406,967,727.82/17,921.24
  6. Step 6: Final answer
    x = 22,708.68

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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.