Home / 26,172.27-39,243.48-17,862.34

Finding the Fourth Proportional to 26,172.27, 39,243.48 and 17,862.34

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Solution

The fourth proportional to 26,172.27, 39,243.48 and 17,862.34 is: 26,783.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,172.27 : 39,243.48 = 17,862.34 : x
  2. Step 2: Convert to fraction form
    26,172.27/39,243.48 = 17,862.34/x
  3. Step 3: Cross multiply
    26,172.27x = 39,243.48 × 17,862.34
  4. Step 4: Simplify right side
    26,172.27x = 700,980,382.54
  5. Step 5: Solve for x
    x = 700,980,382.54/26,172.27
  6. Step 6: Final answer
    x = 26,783.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.