Home / 22,219.96-30,674.28-15,183.04

Finding the Fourth Proportional to 22,219.96, 30,674.28 and 15,183.04

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Solution

The fourth proportional to 22,219.96, 30,674.28 and 15,183.04 is: 20,959.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,219.96 : 30,674.28 = 15,183.04 : x
  2. Step 2: Convert to fraction form
    22,219.96/30,674.28 = 15,183.04/x
  3. Step 3: Cross multiply
    22,219.96x = 30,674.28 × 15,183.04
  4. Step 4: Simplify right side
    22,219.96x = 465,728,820.21
  5. Step 5: Solve for x
    x = 465,728,820.21/22,219.96
  6. Step 6: Final answer
    x = 20,959.93

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Half scale
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Double scale
Find fourth proportional to 22,220.96, 30,675.66 and 15,184.04
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.