Home / 19,787.94-27,317.22-13,448.04

Finding the Fourth Proportional to 19,787.94, 27,317.22 and 13,448.04

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Solution

The fourth proportional to 19,787.94, 27,317.22 and 13,448.04 is: 18,565.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787.94 : 27,317.22 = 13,448.04 : x
  2. Step 2: Convert to fraction form
    19,787.94/27,317.22 = 13,448.04/x
  3. Step 3: Cross multiply
    19,787.94x = 27,317.22 × 13,448.04
  4. Step 4: Simplify right side
    19,787.94x = 367,363,067.25
  5. Step 5: Solve for x
    x = 367,363,067.25/19,787.94
  6. Step 6: Final answer
    x = 18,565.00

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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.