Home / 13,072.20-19,596.78-6,155.08

Finding the Fourth Proportional to 13,072.20, 19,596.78 and 6,155.08

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Solution

The fourth proportional to 13,072.20, 19,596.78 and 6,155.08 is: 9,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.20 : 19,596.78 = 6,155.08 : x
  2. Step 2: Convert to fraction form
    13,072.20/19,596.78 = 6,155.08/x
  3. Step 3: Cross multiply
    13,072.20x = 19,596.78 × 6,155.08
  4. Step 4: Simplify right side
    13,072.20x = 120,619,748.64
  5. Step 5: Solve for x
    x = 120,619,748.64/13,072.20
  6. Step 6: Final answer
    x = 9,227.20

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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.