Home / 18,266.44-27,239.27-18,100.12

Finding the Fourth Proportional to 18,266.44, 27,239.27 and 18,100.12

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Solution

The fourth proportional to 18,266.44, 27,239.27 and 18,100.12 is: 26,991.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.44 : 27,239.27 = 18,100.12 : x
  2. Step 2: Convert to fraction form
    18,266.44/27,239.27 = 18,100.12/x
  3. Step 3: Cross multiply
    18,266.44x = 27,239.27 × 18,100.12
  4. Step 4: Simplify right side
    18,266.44x = 493,034,055.71
  5. Step 5: Solve for x
    x = 493,034,055.71/18,266.44
  6. Step 6: Final answer
    x = 26,991.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.