Home / 13,902.61-19,194.31-10,709.89

Finding the Fourth Proportional to 13,902.61, 19,194.31 and 10,709.89

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Solution

The fourth proportional to 13,902.61, 19,194.31 and 10,709.89 is: 14,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.61 : 19,194.31 = 10,709.89 : x
  2. Step 2: Convert to fraction form
    13,902.61/19,194.31 = 10,709.89/x
  3. Step 3: Cross multiply
    13,902.61x = 19,194.31 × 10,709.89
  4. Step 4: Simplify right side
    13,902.61x = 205,568,948.73
  5. Step 5: Solve for x
    x = 205,568,948.73/13,902.61
  6. Step 6: Final answer
    x = 14,786.36

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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.