Home / 27,106.37-40,660.59-8,384.72

Finding the Fourth Proportional to 27,106.37, 40,660.59 and 8,384.72

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Solution

The fourth proportional to 27,106.37, 40,660.59 and 8,384.72 is: 12,577.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,106.37 : 40,660.59 = 8,384.72 : x
  2. Step 2: Convert to fraction form
    27,106.37/40,660.59 = 8,384.72/x
  3. Step 3: Cross multiply
    27,106.37x = 40,660.59 × 8,384.72
  4. Step 4: Simplify right side
    27,106.37x = 340,927,458.88
  5. Step 5: Solve for x
    x = 340,927,458.88/27,106.37
  6. Step 6: Final answer
    x = 12,577.39

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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.