Home / 19,744.95-27,248.36-11,787.87

Finding the Fourth Proportional to 19,744.95, 27,248.36 and 11,787.87

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Solution

The fourth proportional to 19,744.95, 27,248.36 and 11,787.87 is: 16,267.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,744.95 : 27,248.36 = 11,787.87 : x
  2. Step 2: Convert to fraction form
    19,744.95/27,248.36 = 11,787.87/x
  3. Step 3: Cross multiply
    19,744.95x = 27,248.36 × 11,787.87
  4. Step 4: Simplify right side
    19,744.95x = 321,200,066.45
  5. Step 5: Solve for x
    x = 321,200,066.45/19,744.95
  6. Step 6: Final answer
    x = 16,267.45

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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.