Home / 19,131.08-26,401.14-11,577.32

Finding the Fourth Proportional to 19,131.08, 26,401.14 and 11,577.32

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Solution

The fourth proportional to 19,131.08, 26,401.14 and 11,577.32 is: 15,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131.08 : 26,401.14 = 11,577.32 : x
  2. Step 2: Convert to fraction form
    19,131.08/26,401.14 = 11,577.32/x
  3. Step 3: Cross multiply
    19,131.08x = 26,401.14 × 11,577.32
  4. Step 4: Simplify right side
    19,131.08x = 305,654,446.14
  5. Step 5: Solve for x
    x = 305,654,446.14/19,131.08
  6. Step 6: Final answer
    x = 15,976.85

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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.