Home / 14,735.10-20,331.68-8,768.28

Finding the Fourth Proportional to 14,735.10, 20,331.68 and 8,768.28

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Solution

The fourth proportional to 14,735.10, 20,331.68 and 8,768.28 is: 12,098.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,735.10 : 20,331.68 = 8,768.28 : x
  2. Step 2: Convert to fraction form
    14,735.10/20,331.68 = 8,768.28/x
  3. Step 3: Cross multiply
    14,735.10x = 20,331.68 × 8,768.28
  4. Step 4: Simplify right side
    14,735.10x = 178,273,863.11
  5. Step 5: Solve for x
    x = 178,273,863.11/14,735.10
  6. Step 6: Final answer
    x = 12,098.59

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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.