Home / 13,553.58-20,342.53-11,346.23

Finding the Fourth Proportional to 13,553.58, 20,342.53 and 11,346.23

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Solution

The fourth proportional to 13,553.58, 20,342.53 and 11,346.23 is: 17,029.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,553.58 : 20,342.53 = 11,346.23 : x
  2. Step 2: Convert to fraction form
    13,553.58/20,342.53 = 11,346.23/x
  3. Step 3: Cross multiply
    13,553.58x = 20,342.53 × 11,346.23
  4. Step 4: Simplify right side
    13,553.58x = 230,811,025.38
  5. Step 5: Solve for x
    x = 230,811,025.38/13,553.58
  6. Step 6: Final answer
    x = 17,029.52

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1.5x scale

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.