Home / 18,747.08-28,096.86-9,390.76

Finding the Fourth Proportional to 18,747.08, 28,096.86 and 9,390.76

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Solution

The fourth proportional to 18,747.08, 28,096.86 and 9,390.76 is: 14,074.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.08 : 28,096.86 = 9,390.76 : x
  2. Step 2: Convert to fraction form
    18,747.08/28,096.86 = 9,390.76/x
  3. Step 3: Cross multiply
    18,747.08x = 28,096.86 × 9,390.76
  4. Step 4: Simplify right side
    18,747.08x = 263,850,869.01
  5. Step 5: Solve for x
    x = 263,850,869.01/18,747.08
  6. Step 6: Final answer
    x = 14,074.24

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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.