Home / 27,105.06-40,647.48-9,330.75

Finding the Fourth Proportional to 27,105.06, 40,647.48 and 9,330.75

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Solution

The fourth proportional to 27,105.06, 40,647.48 and 9,330.75 is: 13,992.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,105.06 : 40,647.48 = 9,330.75 : x
  2. Step 2: Convert to fraction form
    27,105.06/40,647.48 = 9,330.75/x
  3. Step 3: Cross multiply
    27,105.06x = 40,647.48 × 9,330.75
  4. Step 4: Simplify right side
    27,105.06x = 379,271,474.01
  5. Step 5: Solve for x
    x = 379,271,474.01/27,105.06
  6. Step 6: Final answer
    x = 13,992.64

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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.