Home / 19,236.42-28,850.58-7,386.39

Finding the Fourth Proportional to 19,236.42, 28,850.58 and 7,386.39

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Solution

The fourth proportional to 19,236.42, 28,850.58 and 7,386.39 is: 11,078.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,236.42 : 28,850.58 = 7,386.39 : x
  2. Step 2: Convert to fraction form
    19,236.42/28,850.58 = 7,386.39/x
  3. Step 3: Cross multiply
    19,236.42x = 28,850.58 × 7,386.39
  4. Step 4: Simplify right side
    19,236.42x = 213,101,635.61
  5. Step 5: Solve for x
    x = 213,101,635.61/19,236.42
  6. Step 6: Final answer
    x = 11,078.03

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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.