Home / 18,922.68-26,112.96-10,539

Finding the Fourth Proportional to 18,922.68, 26,112.96 and 10,539

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Solution

The fourth proportional to 18,922.68, 26,112.96 and 10,539 is: 14,543.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,922.68 : 26,112.96 = 10,539 : x
  2. Step 2: Convert to fraction form
    18,922.68/26,112.96 = 10,539/x
  3. Step 3: Cross multiply
    18,922.68x = 26,112.96 × 10,539
  4. Step 4: Simplify right side
    18,922.68x = 275,204,485.44
  5. Step 5: Solve for x
    x = 275,204,485.44/18,922.68
  6. Step 6: Final answer
    x = 14,543.63

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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.