Home / 22,012.66-30,377.34-11,941.12

Finding the Fourth Proportional to 22,012.66, 30,377.34 and 11,941.12

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Solution

The fourth proportional to 22,012.66, 30,377.34 and 11,941.12 is: 16,478.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012.66 : 30,377.34 = 11,941.12 : x
  2. Step 2: Convert to fraction form
    22,012.66/30,377.34 = 11,941.12/x
  3. Step 3: Cross multiply
    22,012.66x = 30,377.34 × 11,941.12
  4. Step 4: Simplify right side
    22,012.66x = 362,739,462.22
  5. Step 5: Solve for x
    x = 362,739,462.22/22,012.66
  6. Step 6: Final answer
    x = 16,478.67

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Half scale
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Double scale
Find fourth proportional to 22,013.66, 30,378.72 and 11,942.12
Similar ratio
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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.