Home / 18,735.24-28,099.80-6,254.76

Finding the Fourth Proportional to 18,735.24, 28,099.80 and 6,254.76

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Solution

The fourth proportional to 18,735.24, 28,099.80 and 6,254.76 is: 9,381.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.24 : 28,099.80 = 6,254.76 : x
  2. Step 2: Convert to fraction form
    18,735.24/28,099.80 = 6,254.76/x
  3. Step 3: Cross multiply
    18,735.24x = 28,099.80 × 6,254.76
  4. Step 4: Simplify right side
    18,735.24x = 175,757,505.05
  5. Step 5: Solve for x
    x = 175,757,505.05/18,735.24
  6. Step 6: Final answer
    x = 9,381.12

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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.