Home / 26,740.52-36,902.78-15,409.11

Finding the Fourth Proportional to 26,740.52, 36,902.78 and 15,409.11

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Solution

The fourth proportional to 26,740.52, 36,902.78 and 15,409.11 is: 21,265.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,740.52 : 36,902.78 = 15,409.11 : x
  2. Step 2: Convert to fraction form
    26,740.52/36,902.78 = 15,409.11/x
  3. Step 3: Cross multiply
    26,740.52x = 36,902.78 × 15,409.11
  4. Step 4: Simplify right side
    26,740.52x = 568,638,996.33
  5. Step 5: Solve for x
    x = 568,638,996.33/26,740.52
  6. Step 6: Final answer
    x = 21,265.07

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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.