Home / 13,342.86-18,414.64-8,037.56

Finding the Fourth Proportional to 13,342.86, 18,414.64 and 8,037.56

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Solution

The fourth proportional to 13,342.86, 18,414.64 and 8,037.56 is: 11,092.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342.86 : 18,414.64 = 8,037.56 : x
  2. Step 2: Convert to fraction form
    13,342.86/18,414.64 = 8,037.56/x
  3. Step 3: Cross multiply
    13,342.86x = 18,414.64 × 8,037.56
  4. Step 4: Simplify right side
    13,342.86x = 148,008,829.96
  5. Step 5: Solve for x
    x = 148,008,829.96/13,342.86
  6. Step 6: Final answer
    x = 11,092.74

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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.