Home / 18,736.40-27,967.92-16,371.76

Finding the Fourth Proportional to 18,736.40, 27,967.92 and 16,371.76

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Solution

The fourth proportional to 18,736.40, 27,967.92 and 16,371.76 is: 24,438.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.40 : 27,967.92 = 16,371.76 : x
  2. Step 2: Convert to fraction form
    18,736.40/27,967.92 = 16,371.76/x
  3. Step 3: Cross multiply
    18,736.40x = 27,967.92 × 16,371.76
  4. Step 4: Simplify right side
    18,736.40x = 457,884,073.94
  5. Step 5: Solve for x
    x = 457,884,073.94/18,736.40
  6. Step 6: Final answer
    x = 24,438.21

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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.