Home / 13,596.19-20,391.85-8,651.14

Finding the Fourth Proportional to 13,596.19, 20,391.85 and 8,651.14

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Solution

The fourth proportional to 13,596.19, 20,391.85 and 8,651.14 is: 12,975.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.19 : 20,391.85 = 8,651.14 : x
  2. Step 2: Convert to fraction form
    13,596.19/20,391.85 = 8,651.14/x
  3. Step 3: Cross multiply
    13,596.19x = 20,391.85 × 8,651.14
  4. Step 4: Simplify right side
    13,596.19x = 176,412,749.21
  5. Step 5: Solve for x
    x = 176,412,749.21/13,596.19
  6. Step 6: Final answer
    x = 12,975.16

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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.