Home / 19,142.46-26,418.96-11,589.08

Finding the Fourth Proportional to 19,142.46, 26,418.96 and 11,589.08

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Solution

The fourth proportional to 19,142.46, 26,418.96 and 11,589.08 is: 15,994.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.46 : 26,418.96 = 11,589.08 : x
  2. Step 2: Convert to fraction form
    19,142.46/26,418.96 = 11,589.08/x
  3. Step 3: Cross multiply
    19,142.46x = 26,418.96 × 11,589.08
  4. Step 4: Simplify right side
    19,142.46x = 306,171,308.86
  5. Step 5: Solve for x
    x = 306,171,308.86/19,142.46
  6. Step 6: Final answer
    x = 15,994.36

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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.