Home / 19,795.20-27,317.39-10,842.86

Finding the Fourth Proportional to 19,795.20, 27,317.39 and 10,842.86

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Solution

The fourth proportional to 19,795.20, 27,317.39 and 10,842.86 is: 14,963.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,795.20 : 27,317.39 = 10,842.86 : x
  2. Step 2: Convert to fraction form
    19,795.20/27,317.39 = 10,842.86/x
  3. Step 3: Cross multiply
    19,795.20x = 27,317.39 × 10,842.86
  4. Step 4: Simplify right side
    19,795.20x = 296,198,525.86
  5. Step 5: Solve for x
    x = 296,198,525.86/19,795.20
  6. Step 6: Final answer
    x = 14,963.15

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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.