Home / 20,151.10-30,227.24-9,622.23

Finding the Fourth Proportional to 20,151.10, 30,227.24 and 9,622.23

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Solution

The fourth proportional to 20,151.10, 30,227.24 and 9,622.23 is: 14,433.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151.10 : 30,227.24 = 9,622.23 : x
  2. Step 2: Convert to fraction form
    20,151.10/30,227.24 = 9,622.23/x
  3. Step 3: Cross multiply
    20,151.10x = 30,227.24 × 9,622.23
  4. Step 4: Simplify right side
    20,151.10x = 290,853,455.55
  5. Step 5: Solve for x
    x = 290,853,455.55/20,151.10
  6. Step 6: Final answer
    x = 14,433.63

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Half scale
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Double scale
Find fourth proportional to 20,152.10, 30,228.74 and 9,623.23
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.