Home / 18,824.46-28,236.53-4,784.53

Finding the Fourth Proportional to 18,824.46, 28,236.53 and 4,784.53

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Solution

The fourth proportional to 18,824.46, 28,236.53 and 4,784.53 is: 7,176.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.46 : 28,236.53 = 4,784.53 : x
  2. Step 2: Convert to fraction form
    18,824.46/28,236.53 = 4,784.53/x
  3. Step 3: Cross multiply
    18,824.46x = 28,236.53 × 4,784.53
  4. Step 4: Simplify right side
    18,824.46x = 135,098,536.84
  5. Step 5: Solve for x
    x = 135,098,536.84/18,824.46
  6. Step 6: Final answer
    x = 7,176.75

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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.