Home / 22,790.88-31,441.80-13,834.92

Finding the Fourth Proportional to 22,790.88, 31,441.80 and 13,834.92

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Solution

The fourth proportional to 22,790.88, 31,441.80 and 13,834.92 is: 19,086.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,790.88 : 31,441.80 = 13,834.92 : x
  2. Step 2: Convert to fraction form
    22,790.88/31,441.80 = 13,834.92/x
  3. Step 3: Cross multiply
    22,790.88x = 31,441.80 × 13,834.92
  4. Step 4: Simplify right side
    22,790.88x = 434,994,787.66
  5. Step 5: Solve for x
    x = 434,994,787.66/22,790.88
  6. Step 6: Final answer
    x = 19,086.35

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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.