Home / 26,450.94-36,503.32-15,120.46

Finding the Fourth Proportional to 26,450.94, 36,503.32 and 15,120.46

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Solution

The fourth proportional to 26,450.94, 36,503.32 and 15,120.46 is: 20,866.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,450.94 : 36,503.32 = 15,120.46 : x
  2. Step 2: Convert to fraction form
    26,450.94/36,503.32 = 15,120.46/x
  3. Step 3: Cross multiply
    26,450.94x = 36,503.32 × 15,120.46
  4. Step 4: Simplify right side
    26,450.94x = 551,946,989.93
  5. Step 5: Solve for x
    x = 551,946,989.93/26,450.94
  6. Step 6: Final answer
    x = 20,866.82

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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.