Home / 19,835.20-27,372.86-10,882.54

Finding the Fourth Proportional to 19,835.20, 27,372.86 and 10,882.54

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Solution

The fourth proportional to 19,835.20, 27,372.86 and 10,882.54 is: 15,018.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,835.20 : 27,372.86 = 10,882.54 : x
  2. Step 2: Convert to fraction form
    19,835.20/27,372.86 = 10,882.54/x
  3. Step 3: Cross multiply
    19,835.20x = 27,372.86 × 10,882.54
  4. Step 4: Simplify right side
    19,835.20x = 297,886,243.86
  5. Step 5: Solve for x
    x = 297,886,243.86/19,835.20
  6. Step 6: Final answer
    x = 15,018.06

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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.