Home / 13,926.43-19,216.54-8,261.39

Finding the Fourth Proportional to 13,926.43, 19,216.54 and 8,261.39

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Solution

The fourth proportional to 13,926.43, 19,216.54 and 8,261.39 is: 11,399.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.43 : 19,216.54 = 8,261.39 : x
  2. Step 2: Convert to fraction form
    13,926.43/19,216.54 = 8,261.39/x
  3. Step 3: Cross multiply
    13,926.43x = 19,216.54 × 8,261.39
  4. Step 4: Simplify right side
    13,926.43x = 158,755,389.76
  5. Step 5: Solve for x
    x = 158,755,389.76/13,926.43
  6. Step 6: Final answer
    x = 11,399.57

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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.