Home / 26,085.65-35,982.81-18,021.29

Finding the Fourth Proportional to 26,085.65, 35,982.81 and 18,021.29

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Solution

The fourth proportional to 26,085.65, 35,982.81 and 18,021.29 is: 24,858.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,085.65 : 35,982.81 = 18,021.29 : x
  2. Step 2: Convert to fraction form
    26,085.65/35,982.81 = 18,021.29/x
  3. Step 3: Cross multiply
    26,085.65x = 35,982.81 × 18,021.29
  4. Step 4: Simplify right side
    26,085.65x = 648,456,474.11
  5. Step 5: Solve for x
    x = 648,456,474.11/26,085.65
  6. Step 6: Final answer
    x = 24,858.75

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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.