Home / 26,676.32-40,009.64-11,872.76

Finding the Fourth Proportional to 26,676.32, 40,009.64 and 11,872.76

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Solution

The fourth proportional to 26,676.32, 40,009.64 and 11,872.76 is: 17,806.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,676.32 : 40,009.64 = 11,872.76 : x
  2. Step 2: Convert to fraction form
    26,676.32/40,009.64 = 11,872.76/x
  3. Step 3: Cross multiply
    26,676.32x = 40,009.64 × 11,872.76
  4. Step 4: Simplify right side
    26,676.32x = 475,024,853.41
  5. Step 5: Solve for x
    x = 475,024,853.41/26,676.32
  6. Step 6: Final answer
    x = 17,806.99

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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.