Home / 19,901.94-29,787.99-14,635.53

Finding the Fourth Proportional to 19,901.94, 29,787.99 and 14,635.53

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Solution

The fourth proportional to 19,901.94, 29,787.99 and 14,635.53 is: 21,905.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,901.94 : 29,787.99 = 14,635.53 : x
  2. Step 2: Convert to fraction form
    19,901.94/29,787.99 = 14,635.53/x
  3. Step 3: Cross multiply
    19,901.94x = 29,787.99 × 14,635.53
  4. Step 4: Simplify right side
    19,901.94x = 435,963,021.28
  5. Step 5: Solve for x
    x = 435,963,021.28/19,901.94
  6. Step 6: Final answer
    x = 21,905.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.