Home / 18,700.72-25,775.68-16,426.24

Finding the Fourth Proportional to 18,700.72, 25,775.68 and 16,426.24

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Solution

The fourth proportional to 18,700.72, 25,775.68 and 16,426.24 is: 22,640.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700.72 : 25,775.68 = 16,426.24 : x
  2. Step 2: Convert to fraction form
    18,700.72/25,775.68 = 16,426.24/x
  3. Step 3: Cross multiply
    18,700.72x = 25,775.68 × 16,426.24
  4. Step 4: Simplify right side
    18,700.72x = 423,397,505.84
  5. Step 5: Solve for x
    x = 423,397,505.84/18,700.72
  6. Step 6: Final answer
    x = 22,640.71

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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.