Home / 20,173.66-27,841.04-11,222.00

Finding the Fourth Proportional to 20,173.66, 27,841.04 and 11,222.00

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Solution

The fourth proportional to 20,173.66, 27,841.04 and 11,222.00 is: 15,487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173.66 : 27,841.04 = 11,222.00 : x
  2. Step 2: Convert to fraction form
    20,173.66/27,841.04 = 11,222.00/x
  3. Step 3: Cross multiply
    20,173.66x = 27,841.04 × 11,222.00
  4. Step 4: Simplify right side
    20,173.66x = 312,431,955.56
  5. Step 5: Solve for x
    x = 312,431,955.56/20,173.66
  6. Step 6: Final answer
    x = 15,487.13

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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.