Home / 27,141.94-40,734.78-13,998.07

Finding the Fourth Proportional to 27,141.94, 40,734.78 and 13,998.07

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Solution

The fourth proportional to 27,141.94, 40,734.78 and 13,998.07 is: 21,008.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,141.94 : 40,734.78 = 13,998.07 : x
  2. Step 2: Convert to fraction form
    27,141.94/40,734.78 = 13,998.07/x
  3. Step 3: Cross multiply
    27,141.94x = 40,734.78 × 13,998.07
  4. Step 4: Simplify right side
    27,141.94x = 570,208,200.04
  5. Step 5: Solve for x
    x = 570,208,200.04/27,141.94
  6. Step 6: Final answer
    x = 21,008.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.