Home / 13,502.94-20,256.60-5,711.82

Finding the Fourth Proportional to 13,502.94, 20,256.60 and 5,711.82

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Solution

The fourth proportional to 13,502.94, 20,256.60 and 5,711.82 is: 8,568.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502.94 : 20,256.60 = 5,711.82 : x
  2. Step 2: Convert to fraction form
    13,502.94/20,256.60 = 5,711.82/x
  3. Step 3: Cross multiply
    13,502.94x = 20,256.60 × 5,711.82
  4. Step 4: Simplify right side
    13,502.94x = 115,702,053.01
  5. Step 5: Solve for x
    x = 115,702,053.01/13,502.94
  6. Step 6: Final answer
    x = 8,568.66

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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.