Home / 21,873.57-30,169.41-16,496.23

Finding the Fourth Proportional to 21,873.57, 30,169.41 and 16,496.23

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Solution

The fourth proportional to 21,873.57, 30,169.41 and 16,496.23 is: 22,752.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,873.57 : 30,169.41 = 16,496.23 : x
  2. Step 2: Convert to fraction form
    21,873.57/30,169.41 = 16,496.23/x
  3. Step 3: Cross multiply
    21,873.57x = 30,169.41 × 16,496.23
  4. Step 4: Simplify right side
    21,873.57x = 497,681,623.25
  5. Step 5: Solve for x
    x = 497,681,623.25/21,873.57
  6. Step 6: Final answer
    x = 22,752.65

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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.