Home / 18,784.28-25,922.35-10,170.55

Finding the Fourth Proportional to 18,784.28, 25,922.35 and 10,170.55

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Solution

The fourth proportional to 18,784.28, 25,922.35 and 10,170.55 is: 14,035.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784.28 : 25,922.35 = 10,170.55 : x
  2. Step 2: Convert to fraction form
    18,784.28/25,922.35 = 10,170.55/x
  3. Step 3: Cross multiply
    18,784.28x = 25,922.35 × 10,170.55
  4. Step 4: Simplify right side
    18,784.28x = 263,644,556.79
  5. Step 5: Solve for x
    x = 263,644,556.79/18,784.28
  6. Step 6: Final answer
    x = 14,035.38

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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.