Home / 14,091.87-19,426.08-10,728.84

Finding the Fourth Proportional to 14,091.87, 19,426.08 and 10,728.84

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Solution

The fourth proportional to 14,091.87, 19,426.08 and 10,728.84 is: 14,790.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.87 : 19,426.08 = 10,728.84 : x
  2. Step 2: Convert to fraction form
    14,091.87/19,426.08 = 10,728.84/x
  3. Step 3: Cross multiply
    14,091.87x = 19,426.08 × 10,728.84
  4. Step 4: Simplify right side
    14,091.87x = 208,419,304.15
  5. Step 5: Solve for x
    x = 208,419,304.15/14,091.87
  6. Step 6: Final answer
    x = 14,790.04

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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.