Home / 13,081.39-19,622.10-5,295.67

Finding the Fourth Proportional to 13,081.39, 19,622.10 and 5,295.67

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Solution

The fourth proportional to 13,081.39, 19,622.10 and 5,295.67 is: 7,943.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.39 : 19,622.10 = 5,295.67 : x
  2. Step 2: Convert to fraction form
    13,081.39/19,622.10 = 5,295.67/x
  3. Step 3: Cross multiply
    13,081.39x = 19,622.10 × 5,295.67
  4. Step 4: Simplify right side
    13,081.39x = 103,912,166.31
  5. Step 5: Solve for x
    x = 103,912,166.31/13,081.39
  6. Step 6: Final answer
    x = 7,943.51

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Similar ratio
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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.