Home / 16,918.64-25,408.20-14,741.36

Finding the Fourth Proportional to 16,918.64, 25,408.20 and 14,741.36

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Solution

The fourth proportional to 16,918.64, 25,408.20 and 14,741.36 is: 22,138.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.64 : 25,408.20 = 14,741.36 : x
  2. Step 2: Convert to fraction form
    16,918.64/25,408.20 = 14,741.36/x
  3. Step 3: Cross multiply
    16,918.64x = 25,408.20 × 14,741.36
  4. Step 4: Simplify right side
    16,918.64x = 374,551,423.15
  5. Step 5: Solve for x
    x = 374,551,423.15/16,918.64
  6. Step 6: Final answer
    x = 22,138.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.