Home / 26,553.12-36,609.36-20,186.52

Finding the Fourth Proportional to 26,553.12, 36,609.36 and 20,186.52

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Solution

The fourth proportional to 26,553.12, 36,609.36 and 20,186.52 is: 27,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,553.12 : 36,609.36 = 20,186.52 : x
  2. Step 2: Convert to fraction form
    26,553.12/36,609.36 = 20,186.52/x
  3. Step 3: Cross multiply
    26,553.12x = 36,609.36 × 20,186.52
  4. Step 4: Simplify right side
    26,553.12x = 739,015,577.83
  5. Step 5: Solve for x
    x = 739,015,577.83/26,553.12
  6. Step 6: Final answer
    x = 27,831.59

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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.