Home / 19,995.75-27,594.14-11,612.79

Finding the Fourth Proportional to 19,995.75, 27,594.14 and 11,612.79

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Solution

The fourth proportional to 19,995.75, 27,594.14 and 11,612.79 is: 16,025.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.75 : 27,594.14 = 11,612.79 : x
  2. Step 2: Convert to fraction form
    19,995.75/27,594.14 = 11,612.79/x
  3. Step 3: Cross multiply
    19,995.75x = 27,594.14 × 11,612.79
  4. Step 4: Simplify right side
    19,995.75x = 320,444,894.99
  5. Step 5: Solve for x
    x = 320,444,894.99/19,995.75
  6. Step 6: Final answer
    x = 16,025.65

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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.