Home / 18,736.47-27,968.01-16,371.81

Finding the Fourth Proportional to 18,736.47, 27,968.01 and 16,371.81

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Solution

The fourth proportional to 18,736.47, 27,968.01 and 16,371.81 is: 24,438.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.47 : 27,968.01 = 16,371.81 : x
  2. Step 2: Convert to fraction form
    18,736.47/27,968.01 = 16,371.81/x
  3. Step 3: Cross multiply
    18,736.47x = 27,968.01 × 16,371.81
  4. Step 4: Simplify right side
    18,736.47x = 457,886,945.80
  5. Step 5: Solve for x
    x = 457,886,945.80/18,736.47
  6. Step 6: Final answer
    x = 24,438.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.