Home / 13,352.10-19,986.22-9,167.64

Finding the Fourth Proportional to 13,352.10, 19,986.22 and 9,167.64

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Solution

The fourth proportional to 13,352.10, 19,986.22 and 9,167.64 is: 13,722.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.10 : 19,986.22 = 9,167.64 : x
  2. Step 2: Convert to fraction form
    13,352.10/19,986.22 = 9,167.64/x
  3. Step 3: Cross multiply
    13,352.10x = 19,986.22 × 9,167.64
  4. Step 4: Simplify right side
    13,352.10x = 183,226,469.92
  5. Step 5: Solve for x
    x = 183,226,469.92/13,352.10
  6. Step 6: Final answer
    x = 13,722.67

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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.