Home / 22,353.33-30,847.47-12,281.55

Finding the Fourth Proportional to 22,353.33, 30,847.47 and 12,281.55

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Solution

The fourth proportional to 22,353.33, 30,847.47 and 12,281.55 is: 16,948.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,353.33 : 30,847.47 = 12,281.55 : x
  2. Step 2: Convert to fraction form
    22,353.33/30,847.47 = 12,281.55/x
  3. Step 3: Cross multiply
    22,353.33x = 30,847.47 × 12,281.55
  4. Step 4: Simplify right side
    22,353.33x = 378,854,745.18
  5. Step 5: Solve for x
    x = 378,854,745.18/22,353.33
  6. Step 6: Final answer
    x = 16,948.47

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Double scale
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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.