Home / 19,874.84-27,427.82-10,922.45

Finding the Fourth Proportional to 19,874.84, 27,427.82 and 10,922.45

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Solution

The fourth proportional to 19,874.84, 27,427.82 and 10,922.45 is: 15,073.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,874.84 : 27,427.82 = 10,922.45 : x
  2. Step 2: Convert to fraction form
    19,874.84/27,427.82 = 10,922.45/x
  3. Step 3: Cross multiply
    19,874.84x = 27,427.82 × 10,922.45
  4. Step 4: Simplify right side
    19,874.84x = 299,578,800.81
  5. Step 5: Solve for x
    x = 299,578,800.81/19,874.84
  6. Step 6: Final answer
    x = 15,073.27

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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.