Home / 22,382.23-30,888.06-12,310.93

Finding the Fourth Proportional to 22,382.23, 30,888.06 and 12,310.93

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Solution

The fourth proportional to 22,382.23, 30,888.06 and 12,310.93 is: 16,989.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,382.23 : 30,888.06 = 12,310.93 : x
  2. Step 2: Convert to fraction form
    22,382.23/30,888.06 = 12,310.93/x
  3. Step 3: Cross multiply
    22,382.23x = 30,888.06 × 12,310.93
  4. Step 4: Simplify right side
    22,382.23x = 380,260,745.60
  5. Step 5: Solve for x
    x = 380,260,745.60/22,382.23
  6. Step 6: Final answer
    x = 16,989.41

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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.