Home / 19,236.12-28,851.28-6,086.78

Finding the Fourth Proportional to 19,236.12, 28,851.28 and 6,086.78

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Solution

The fourth proportional to 19,236.12, 28,851.28 and 6,086.78 is: 9,129.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,236.12 : 28,851.28 = 6,086.78 : x
  2. Step 2: Convert to fraction form
    19,236.12/28,851.28 = 6,086.78/x
  3. Step 3: Cross multiply
    19,236.12x = 28,851.28 × 6,086.78
  4. Step 4: Simplify right side
    19,236.12x = 175,611,249.82
  5. Step 5: Solve for x
    x = 175,611,249.82/19,236.12
  6. Step 6: Final answer
    x = 9,129.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.