Home / 19,065.36-26,287.32-16,408.20

Finding the Fourth Proportional to 19,065.36, 26,287.32 and 16,408.20

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Solution

The fourth proportional to 19,065.36, 26,287.32 and 16,408.20 is: 22,623.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065.36 : 26,287.32 = 16,408.20 : x
  2. Step 2: Convert to fraction form
    19,065.36/26,287.32 = 16,408.20/x
  3. Step 3: Cross multiply
    19,065.36x = 26,287.32 × 16,408.20
  4. Step 4: Simplify right side
    19,065.36x = 431,327,604.02
  5. Step 5: Solve for x
    x = 431,327,604.02/19,065.36
  6. Step 6: Final answer
    x = 22,623.63

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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.