Home / 27,912.53-41,868.81-10,380.08

Finding the Fourth Proportional to 27,912.53, 41,868.81 and 10,380.08

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Solution

The fourth proportional to 27,912.53, 41,868.81 and 10,380.08 is: 15,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,912.53 : 41,868.81 = 10,380.08 : x
  2. Step 2: Convert to fraction form
    27,912.53/41,868.81 = 10,380.08/x
  3. Step 3: Cross multiply
    27,912.53x = 41,868.81 × 10,380.08
  4. Step 4: Simplify right side
    27,912.53x = 434,601,597.30
  5. Step 5: Solve for x
    x = 434,601,597.30/27,912.53
  6. Step 6: Final answer
    x = 15,570.13

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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.