Home / 19,212.48-26,512.29-10,715.49

Finding the Fourth Proportional to 19,212.48, 26,512.29 and 10,715.49

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Solution

The fourth proportional to 19,212.48, 26,512.29 and 10,715.49 is: 14,786.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.48 : 26,512.29 = 10,715.49 : x
  2. Step 2: Convert to fraction form
    19,212.48/26,512.29 = 10,715.49/x
  3. Step 3: Cross multiply
    19,212.48x = 26,512.29 × 10,715.49
  4. Step 4: Simplify right side
    19,212.48x = 284,092,178.37
  5. Step 5: Solve for x
    x = 284,092,178.37/19,212.48
  6. Step 6: Final answer
    x = 14,786.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.