Home / 26,927.21-40,390.83-12,883.92

Finding the Fourth Proportional to 26,927.21, 40,390.83 and 12,883.92

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Solution

The fourth proportional to 26,927.21, 40,390.83 and 12,883.92 is: 19,325.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,927.21 : 40,390.83 = 12,883.92 : x
  2. Step 2: Convert to fraction form
    26,927.21/40,390.83 = 12,883.92/x
  3. Step 3: Cross multiply
    26,927.21x = 40,390.83 × 12,883.92
  4. Step 4: Simplify right side
    26,927.21x = 520,392,222.45
  5. Step 5: Solve for x
    x = 520,392,222.45/26,927.21
  6. Step 6: Final answer
    x = 19,325.89

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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.