Home / 14,897.87-20,558.78-8,183.35

Finding the Fourth Proportional to 14,897.87, 20,558.78 and 8,183.35

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Solution

The fourth proportional to 14,897.87, 20,558.78 and 8,183.35 is: 11,292.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,897.87 : 20,558.78 = 8,183.35 : x
  2. Step 2: Convert to fraction form
    14,897.87/20,558.78 = 8,183.35/x
  3. Step 3: Cross multiply
    14,897.87x = 20,558.78 × 8,183.35
  4. Step 4: Simplify right side
    14,897.87x = 168,239,592.14
  5. Step 5: Solve for x
    x = 168,239,592.14/14,897.87
  6. Step 6: Final answer
    x = 11,292.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.