Home / 19,243.87-26,553.69-11,686.26

Finding the Fourth Proportional to 19,243.87, 26,553.69 and 11,686.26

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Solution

The fourth proportional to 19,243.87, 26,553.69 and 11,686.26 is: 16,125.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,243.87 : 26,553.69 = 11,686.26 : x
  2. Step 2: Convert to fraction form
    19,243.87/26,553.69 = 11,686.26/x
  3. Step 3: Cross multiply
    19,243.87x = 26,553.69 × 11,686.26
  4. Step 4: Simplify right side
    19,243.87x = 310,313,325.30
  5. Step 5: Solve for x
    x = 310,313,325.30/19,243.87
  6. Step 6: Final answer
    x = 16,125.31

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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.