Home / 19,885.37-27,441.81-10,933.02

Finding the Fourth Proportional to 19,885.37, 27,441.81 and 10,933.02

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Solution

The fourth proportional to 19,885.37, 27,441.81 and 10,933.02 is: 15,087.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885.37 : 27,441.81 = 10,933.02 : x
  2. Step 2: Convert to fraction form
    19,885.37/27,441.81 = 10,933.02/x
  3. Step 3: Cross multiply
    19,885.37x = 27,441.81 × 10,933.02
  4. Step 4: Simplify right side
    19,885.37x = 300,021,857.57
  5. Step 5: Solve for x
    x = 300,021,857.57/19,885.37
  6. Step 6: Final answer
    x = 15,087.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.