Home / 18,920.88-26,111.62-10,537.38

Finding the Fourth Proportional to 18,920.88, 26,111.62 and 10,537.38

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Solution

The fourth proportional to 18,920.88, 26,111.62 and 10,537.38 is: 14,542.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,920.88 : 26,111.62 = 10,537.38 : x
  2. Step 2: Convert to fraction form
    18,920.88/26,111.62 = 10,537.38/x
  3. Step 3: Cross multiply
    18,920.88x = 26,111.62 × 10,537.38
  4. Step 4: Simplify right side
    18,920.88x = 275,147,905.45
  5. Step 5: Solve for x
    x = 275,147,905.45/18,920.88
  6. Step 6: Final answer
    x = 14,542.03

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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.