Home / 19,144.81-26,420.42-11,592.46

Finding the Fourth Proportional to 19,144.81, 26,420.42 and 11,592.46

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Solution

The fourth proportional to 19,144.81, 26,420.42 and 11,592.46 is: 15,997.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144.81 : 26,420.42 = 11,592.46 : x
  2. Step 2: Convert to fraction form
    19,144.81/26,420.42 = 11,592.46/x
  3. Step 3: Cross multiply
    19,144.81x = 26,420.42 × 11,592.46
  4. Step 4: Simplify right side
    19,144.81x = 306,277,471.97
  5. Step 5: Solve for x
    x = 306,277,471.97/19,144.81
  6. Step 6: Final answer
    x = 15,997.94

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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.