Home / 19,171.25-26,456.91-10,440.49

Finding the Fourth Proportional to 19,171.25, 26,456.91 and 10,440.49

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Solution

The fourth proportional to 19,171.25, 26,456.91 and 10,440.49 is: 14,408.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.25 : 26,456.91 = 10,440.49 : x
  2. Step 2: Convert to fraction form
    19,171.25/26,456.91 = 10,440.49/x
  3. Step 3: Cross multiply
    19,171.25x = 26,456.91 × 10,440.49
  4. Step 4: Simplify right side
    19,171.25x = 276,222,972.00
  5. Step 5: Solve for x
    x = 276,222,972.00/19,171.25
  6. Step 6: Final answer
    x = 14,408.19

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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.