Home / 20,043.04-27,657.69-11,090.56

Finding the Fourth Proportional to 20,043.04, 27,657.69 and 11,090.56

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Solution

The fourth proportional to 20,043.04, 27,657.69 and 11,090.56 is: 15,304.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.04 : 27,657.69 = 11,090.56 : x
  2. Step 2: Convert to fraction form
    20,043.04/27,657.69 = 11,090.56/x
  3. Step 3: Cross multiply
    20,043.04x = 27,657.69 × 11,090.56
  4. Step 4: Simplify right side
    20,043.04x = 306,739,270.41
  5. Step 5: Solve for x
    x = 306,739,270.41/20,043.04
  6. Step 6: Final answer
    x = 15,304.03

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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.