Home / 22,183.74-30,571.47-15,885.18

Finding the Fourth Proportional to 22,183.74, 30,571.47 and 15,885.18

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Solution

The fourth proportional to 22,183.74, 30,571.47 and 15,885.18 is: 21,891.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,183.74 : 30,571.47 = 15,885.18 : x
  2. Step 2: Convert to fraction form
    22,183.74/30,571.47 = 15,885.18/x
  3. Step 3: Cross multiply
    22,183.74x = 30,571.47 × 15,885.18
  4. Step 4: Simplify right side
    22,183.74x = 485,633,303.81
  5. Step 5: Solve for x
    x = 485,633,303.81/22,183.74
  6. Step 6: Final answer
    x = 21,891.41

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Half scale
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Double scale
Find fourth proportional to 22,184.74, 30,572.85 and 15,886.18
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.