Home / 13,134.75-18,037.85-11,246.43

Finding the Fourth Proportional to 13,134.75, 18,037.85 and 11,246.43

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Solution

The fourth proportional to 13,134.75, 18,037.85 and 11,246.43 is: 15,444.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134.75 : 18,037.85 = 11,246.43 : x
  2. Step 2: Convert to fraction form
    13,134.75/18,037.85 = 11,246.43/x
  3. Step 3: Cross multiply
    13,134.75x = 18,037.85 × 11,246.43
  4. Step 4: Simplify right side
    13,134.75x = 202,861,417.38
  5. Step 5: Solve for x
    x = 202,861,417.38/13,134.75
  6. Step 6: Final answer
    x = 15,444.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.