Home / 13,920.68-19,092.93-13,167.56

Finding the Fourth Proportional to 13,920.68, 19,092.93 and 13,167.56

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Solution

The fourth proportional to 13,920.68, 19,092.93 and 13,167.56 is: 18,059.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,920.68 : 19,092.93 = 13,167.56 : x
  2. Step 2: Convert to fraction form
    13,920.68/19,092.93 = 13,167.56/x
  3. Step 3: Cross multiply
    13,920.68x = 19,092.93 × 13,167.56
  4. Step 4: Simplify right side
    13,920.68x = 251,407,301.35
  5. Step 5: Solve for x
    x = 251,407,301.35/13,920.68
  6. Step 6: Final answer
    x = 18,059.99

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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.