Home / 13,893.84-19,160.04-11,769.18

Finding the Fourth Proportional to 13,893.84, 19,160.04 and 11,769.18

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Solution

The fourth proportional to 13,893.84, 19,160.04 and 11,769.18 is: 16,230.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893.84 : 19,160.04 = 11,769.18 : x
  2. Step 2: Convert to fraction form
    13,893.84/19,160.04 = 11,769.18/x
  3. Step 3: Cross multiply
    13,893.84x = 19,160.04 × 11,769.18
  4. Step 4: Simplify right side
    13,893.84x = 225,497,959.57
  5. Step 5: Solve for x
    x = 225,497,959.57/13,893.84
  6. Step 6: Final answer
    x = 16,230.07

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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.