Home / 35,621.94-53,440.20-12,245.34

Finding the Fourth Proportional to 35,621.94, 53,440.20 and 12,245.34

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Solution

The fourth proportional to 35,621.94, 53,440.20 and 12,245.34 is: 18,370.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,621.94 : 53,440.20 = 12,245.34 : x
  2. Step 2: Convert to fraction form
    35,621.94/53,440.20 = 12,245.34/x
  3. Step 3: Cross multiply
    35,621.94x = 53,440.20 × 12,245.34
  4. Step 4: Simplify right side
    35,621.94x = 654,393,418.67
  5. Step 5: Solve for x
    x = 654,393,418.67/35,621.94
  6. Step 6: Final answer
    x = 18,370.52

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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.