Home / 13,893.39-19,189.71-10,110.56

Finding the Fourth Proportional to 13,893.39, 19,189.71 and 10,110.56

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Solution

The fourth proportional to 13,893.39, 19,189.71 and 10,110.56 is: 13,964.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893.39 : 19,189.71 = 10,110.56 : x
  2. Step 2: Convert to fraction form
    13,893.39/19,189.71 = 10,110.56/x
  3. Step 3: Cross multiply
    13,893.39x = 19,189.71 × 10,110.56
  4. Step 4: Simplify right side
    13,893.39x = 194,018,618.39
  5. Step 5: Solve for x
    x = 194,018,618.39/13,893.39
  6. Step 6: Final answer
    x = 13,964.81

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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.