Home / 19,683.34-27,161.94-11,299.84

Finding the Fourth Proportional to 19,683.34, 27,161.94 and 11,299.84

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Solution

The fourth proportional to 19,683.34, 27,161.94 and 11,299.84 is: 15,593.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,683.34 : 27,161.94 = 11,299.84 : x
  2. Step 2: Convert to fraction form
    19,683.34/27,161.94 = 11,299.84/x
  3. Step 3: Cross multiply
    19,683.34x = 27,161.94 × 11,299.84
  4. Step 4: Simplify right side
    19,683.34x = 306,925,576.09
  5. Step 5: Solve for x
    x = 306,925,576.09/19,683.34
  6. Step 6: Final answer
    x = 15,593.17

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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.