Home / 18,742.11-28,117.77-6,263.46

Finding the Fourth Proportional to 18,742.11, 28,117.77 and 6,263.46

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Solution

The fourth proportional to 18,742.11, 28,117.77 and 6,263.46 is: 9,396.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742.11 : 28,117.77 = 6,263.46 : x
  2. Step 2: Convert to fraction form
    18,742.11/28,117.77 = 6,263.46/x
  3. Step 3: Cross multiply
    18,742.11x = 28,117.77 × 6,263.46
  4. Step 4: Simplify right side
    18,742.11x = 176,114,527.68
  5. Step 5: Solve for x
    x = 176,114,527.68/18,742.11
  6. Step 6: Final answer
    x = 9,396.73

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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.