Home / 20,026.10-27,636.60-10,951.99

Finding the Fourth Proportional to 20,026.10, 27,636.60 and 10,951.99

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Solution

The fourth proportional to 20,026.10, 27,636.60 and 10,951.99 is: 15,114.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.10 : 27,636.60 = 10,951.99 : x
  2. Step 2: Convert to fraction form
    20,026.10/27,636.60 = 10,951.99/x
  3. Step 3: Cross multiply
    20,026.10x = 27,636.60 × 10,951.99
  4. Step 4: Simplify right side
    20,026.10x = 302,675,766.83
  5. Step 5: Solve for x
    x = 302,675,766.83/20,026.10
  6. Step 6: Final answer
    x = 15,114.06

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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.