Home / 14,897.42-20,557.62-8,183.92

Finding the Fourth Proportional to 14,897.42, 20,557.62 and 8,183.92

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Solution

The fourth proportional to 14,897.42, 20,557.62 and 8,183.92 is: 11,293.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,897.42 : 20,557.62 = 8,183.92 : x
  2. Step 2: Convert to fraction form
    14,897.42/20,557.62 = 8,183.92/x
  3. Step 3: Cross multiply
    14,897.42x = 20,557.62 × 8,183.92
  4. Step 4: Simplify right side
    14,897.42x = 168,241,917.47
  5. Step 5: Solve for x
    x = 168,241,917.47/14,897.42
  6. Step 6: Final answer
    x = 11,293.36

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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.