Home / 18,775.08-25,851.78-16,675.56

Finding the Fourth Proportional to 18,775.08, 25,851.78 and 16,675.56

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Solution

The fourth proportional to 18,775.08, 25,851.78 and 16,675.56 is: 22,960.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,775.08 : 25,851.78 = 16,675.56 : x
  2. Step 2: Convert to fraction form
    18,775.08/25,851.78 = 16,675.56/x
  3. Step 3: Cross multiply
    18,775.08x = 25,851.78 × 16,675.56
  4. Step 4: Simplify right side
    18,775.08x = 431,092,908.50
  5. Step 5: Solve for x
    x = 431,092,908.50/18,775.08
  6. Step 6: Final answer
    x = 22,960.91

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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.