Home / 26,105.14-36,008.70-15,487.25

Finding the Fourth Proportional to 26,105.14, 36,008.70 and 15,487.25

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Solution

The fourth proportional to 26,105.14, 36,008.70 and 15,487.25 is: 21,362.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,105.14 : 36,008.70 = 15,487.25 : x
  2. Step 2: Convert to fraction form
    26,105.14/36,008.70 = 15,487.25/x
  3. Step 3: Cross multiply
    26,105.14x = 36,008.70 × 15,487.25
  4. Step 4: Simplify right side
    26,105.14x = 557,675,739.08
  5. Step 5: Solve for x
    x = 557,675,739.08/26,105.14
  6. Step 6: Final answer
    x = 21,362.68

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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.