Home / 21,845.70-32,768.55-9,363.60

Finding the Fourth Proportional to 21,845.70, 32,768.55 and 9,363.60

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Solution

The fourth proportional to 21,845.70, 32,768.55 and 9,363.60 is: 14,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,845.70 : 32,768.55 = 9,363.60 : x
  2. Step 2: Convert to fraction form
    21,845.70/32,768.55 = 9,363.60/x
  3. Step 3: Cross multiply
    21,845.70x = 32,768.55 × 9,363.60
  4. Step 4: Simplify right side
    21,845.70x = 306,831,594.78
  5. Step 5: Solve for x
    x = 306,831,594.78/21,845.70
  6. Step 6: Final answer
    x = 14,045.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.