Home / 18,020.68-26,992.62-10,225.48

Finding the Fourth Proportional to 18,020.68, 26,992.62 and 10,225.48

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Solution

The fourth proportional to 18,020.68, 26,992.62 and 10,225.48 is: 15,316.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020.68 : 26,992.62 = 10,225.48 : x
  2. Step 2: Convert to fraction form
    18,020.68/26,992.62 = 10,225.48/x
  3. Step 3: Cross multiply
    18,020.68x = 26,992.62 × 10,225.48
  4. Step 4: Simplify right side
    18,020.68x = 276,012,495.96
  5. Step 5: Solve for x
    x = 276,012,495.96/18,020.68
  6. Step 6: Final answer
    x = 15,316.43

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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.