Home / 20,076.60-27,705.32-11,124.06

Finding the Fourth Proportional to 20,076.60, 27,705.32 and 11,124.06

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Solution

The fourth proportional to 20,076.60, 27,705.32 and 11,124.06 is: 15,350.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,076.60 : 27,705.32 = 11,124.06 : x
  2. Step 2: Convert to fraction form
    20,076.60/27,705.32 = 11,124.06/x
  3. Step 3: Cross multiply
    20,076.60x = 27,705.32 × 11,124.06
  4. Step 4: Simplify right side
    20,076.60x = 308,195,642.00
  5. Step 5: Solve for x
    x = 308,195,642.00/20,076.60
  6. Step 6: Final answer
    x = 15,350.99

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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.