Home / 26,990.64-40,485.88-9,460.44

Finding the Fourth Proportional to 26,990.64, 40,485.88 and 9,460.44

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Solution

The fourth proportional to 26,990.64, 40,485.88 and 9,460.44 is: 14,190.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,990.64 : 40,485.88 = 9,460.44 : x
  2. Step 2: Convert to fraction form
    26,990.64/40,485.88 = 9,460.44/x
  3. Step 3: Cross multiply
    26,990.64x = 40,485.88 × 9,460.44
  4. Step 4: Simplify right side
    26,990.64x = 383,014,238.59
  5. Step 5: Solve for x
    x = 383,014,238.59/26,990.64
  6. Step 6: Final answer
    x = 14,190.63

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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.