Home / 22,211.73-30,651.69-12,140.19

Finding the Fourth Proportional to 22,211.73, 30,651.69 and 12,140.19

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Solution

The fourth proportional to 22,211.73, 30,651.69 and 12,140.19 is: 16,753.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,211.73 : 30,651.69 = 12,140.19 : x
  2. Step 2: Convert to fraction form
    22,211.73/30,651.69 = 12,140.19/x
  3. Step 3: Cross multiply
    22,211.73x = 30,651.69 × 12,140.19
  4. Step 4: Simplify right side
    22,211.73x = 372,117,340.42
  5. Step 5: Solve for x
    x = 372,117,340.42/22,211.73
  6. Step 6: Final answer
    x = 16,753.19

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Half scale
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Double scale
Find fourth proportional to 22,212.73, 30,653.07 and 12,141.19
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.