Home / 22,351.33-30,845.40-12,280.02

Finding the Fourth Proportional to 22,351.33, 30,845.40 and 12,280.02

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Solution

The fourth proportional to 22,351.33, 30,845.40 and 12,280.02 is: 16,946.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,351.33 : 30,845.40 = 12,280.02 : x
  2. Step 2: Convert to fraction form
    22,351.33/30,845.40 = 12,280.02/x
  3. Step 3: Cross multiply
    22,351.33x = 30,845.40 × 12,280.02
  4. Step 4: Simplify right side
    22,351.33x = 378,782,100.38
  5. Step 5: Solve for x
    x = 378,782,100.38/22,351.33
  6. Step 6: Final answer
    x = 16,946.74

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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.