Home / 13,175.60-19,756.10-4,408.16

Finding the Fourth Proportional to 13,175.60, 19,756.10 and 4,408.16

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Solution

The fourth proportional to 13,175.60, 19,756.10 and 4,408.16 is: 6,609.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.60 : 19,756.10 = 4,408.16 : x
  2. Step 2: Convert to fraction form
    13,175.60/19,756.10 = 4,408.16/x
  3. Step 3: Cross multiply
    13,175.60x = 19,756.10 × 4,408.16
  4. Step 4: Simplify right side
    13,175.60x = 87,087,962.02
  5. Step 5: Solve for x
    x = 87,087,962.02/13,175.60
  6. Step 6: Final answer
    x = 6,609.79

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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.