Home / 20,600.00-28,427.90-11,647.52

Finding the Fourth Proportional to 20,600.00, 28,427.90 and 11,647.52

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Solution

The fourth proportional to 20,600.00, 28,427.90 and 11,647.52 is: 16,073.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,600.00 : 28,427.90 = 11,647.52 : x
  2. Step 2: Convert to fraction form
    20,600.00/28,427.90 = 11,647.52/x
  3. Step 3: Cross multiply
    20,600.00x = 28,427.90 × 11,647.52
  4. Step 4: Simplify right side
    20,600.00x = 331,114,333.43
  5. Step 5: Solve for x
    x = 331,114,333.43/20,600.00
  6. Step 6: Final answer
    x = 16,073.52

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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.