Home / 20,094.06-27,729.50-11,141.40

Finding the Fourth Proportional to 20,094.06, 27,729.50 and 11,141.40

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Solution

The fourth proportional to 20,094.06, 27,729.50 and 11,141.40 is: 15,374.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,094.06 : 27,729.50 = 11,141.40 : x
  2. Step 2: Convert to fraction form
    20,094.06/27,729.50 = 11,141.40/x
  3. Step 3: Cross multiply
    20,094.06x = 27,729.50 × 11,141.40
  4. Step 4: Simplify right side
    20,094.06x = 308,945,451.30
  5. Step 5: Solve for x
    x = 308,945,451.30/20,094.06
  6. Step 6: Final answer
    x = 15,374.96

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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.