Home / 22,195.56-30,629.94-12,763.50

Finding the Fourth Proportional to 22,195.56, 30,629.94 and 12,763.50

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Solution

The fourth proportional to 22,195.56, 30,629.94 and 12,763.50 is: 17,613.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,195.56 : 30,629.94 = 12,763.50 : x
  2. Step 2: Convert to fraction form
    22,195.56/30,629.94 = 12,763.50/x
  3. Step 3: Cross multiply
    22,195.56x = 30,629.94 × 12,763.50
  4. Step 4: Simplify right side
    22,195.56x = 390,945,239.19
  5. Step 5: Solve for x
    x = 390,945,239.19/22,195.56
  6. Step 6: Final answer
    x = 17,613.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.