Home / 19,412.82-26,788.91-10,914.71

Finding the Fourth Proportional to 19,412.82, 26,788.91 and 10,914.71

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Solution

The fourth proportional to 19,412.82, 26,788.91 and 10,914.71 is: 15,061.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.82 : 26,788.91 = 10,914.71 : x
  2. Step 2: Convert to fraction form
    19,412.82/26,788.91 = 10,914.71/x
  3. Step 3: Cross multiply
    19,412.82x = 26,788.91 × 10,914.71
  4. Step 4: Simplify right side
    19,412.82x = 292,392,995.35
  5. Step 5: Solve for x
    x = 292,392,995.35/19,412.82
  6. Step 6: Final answer
    x = 15,061.85

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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.