Home / 18,783.45-28,158.17-7,093.53

Finding the Fourth Proportional to 18,783.45, 28,158.17 and 7,093.53

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Solution

The fourth proportional to 18,783.45, 28,158.17 and 7,093.53 is: 10,633.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,783.45 : 28,158.17 = 7,093.53 : x
  2. Step 2: Convert to fraction form
    18,783.45/28,158.17 = 7,093.53/x
  3. Step 3: Cross multiply
    18,783.45x = 28,158.17 × 7,093.53
  4. Step 4: Simplify right side
    18,783.45x = 199,740,788.17
  5. Step 5: Solve for x
    x = 199,740,788.17/18,783.45
  6. Step 6: Final answer
    x = 10,633.87

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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.