Home / 18,922.88-26,109.92-10,539.36

Finding the Fourth Proportional to 18,922.88, 26,109.92 and 10,539.36

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Solution

The fourth proportional to 18,922.88, 26,109.92 and 10,539.36 is: 14,542.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,922.88 : 26,109.92 = 10,539.36 : x
  2. Step 2: Convert to fraction form
    18,922.88/26,109.92 = 10,539.36/x
  3. Step 3: Cross multiply
    18,922.88x = 26,109.92 × 10,539.36
  4. Step 4: Simplify right side
    18,922.88x = 275,181,846.45
  5. Step 5: Solve for x
    x = 275,181,846.45/18,922.88
  6. Step 6: Final answer
    x = 14,542.28

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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.