Home / 13,173.15-19,760.73-4,408.08

Finding the Fourth Proportional to 13,173.15, 19,760.73 and 4,408.08

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Solution

The fourth proportional to 13,173.15, 19,760.73 and 4,408.08 is: 6,612.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.15 : 19,760.73 = 4,408.08 : x
  2. Step 2: Convert to fraction form
    13,173.15/19,760.73 = 4,408.08/x
  3. Step 3: Cross multiply
    13,173.15x = 19,760.73 × 4,408.08
  4. Step 4: Simplify right side
    13,173.15x = 87,106,878.70
  5. Step 5: Solve for x
    x = 87,106,878.70/13,173.15
  6. Step 6: Final answer
    x = 6,612.46

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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.