Home / 22,398.16-30,893.60-19,408.72

Finding the Fourth Proportional to 22,398.16, 30,893.60 and 19,408.72

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Solution

The fourth proportional to 22,398.16, 30,893.60 and 19,408.72 is: 26,770.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,398.16 : 30,893.60 = 19,408.72 : x
  2. Step 2: Convert to fraction form
    22,398.16/30,893.60 = 19,408.72/x
  3. Step 3: Cross multiply
    22,398.16x = 30,893.60 × 19,408.72
  4. Step 4: Simplify right side
    22,398.16x = 599,605,232.19
  5. Step 5: Solve for x
    x = 599,605,232.19/22,398.16
  6. Step 6: Final answer
    x = 26,770.29

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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.