Home / 20,074.47-27,707.37-13,360.38

Finding the Fourth Proportional to 20,074.47, 27,707.37 and 13,360.38

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Solution

The fourth proportional to 20,074.47, 27,707.37 and 13,360.38 is: 18,440.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074.47 : 27,707.37 = 13,360.38 : x
  2. Step 2: Convert to fraction form
    20,074.47/27,707.37 = 13,360.38/x
  3. Step 3: Cross multiply
    20,074.47x = 27,707.37 × 13,360.38
  4. Step 4: Simplify right side
    20,074.47x = 370,180,992.00
  5. Step 5: Solve for x
    x = 370,180,992.00/20,074.47
  6. Step 6: Final answer
    x = 18,440.39

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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.