Home / 17,919.66-26,874.36-5,435.94

Finding the Fourth Proportional to 17,919.66, 26,874.36 and 5,435.94

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Solution

The fourth proportional to 17,919.66, 26,874.36 and 5,435.94 is: 8,152.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919.66 : 26,874.36 = 5,435.94 : x
  2. Step 2: Convert to fraction form
    17,919.66/26,874.36 = 5,435.94/x
  3. Step 3: Cross multiply
    17,919.66x = 26,874.36 × 5,435.94
  4. Step 4: Simplify right side
    17,919.66x = 146,087,408.50
  5. Step 5: Solve for x
    x = 146,087,408.50/17,919.66
  6. Step 6: Final answer
    x = 8,152.35

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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.