Home / 16,138.94-22,274.39-9,424.51

Finding the Fourth Proportional to 16,138.94, 22,274.39 and 9,424.51

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Solution

The fourth proportional to 16,138.94, 22,274.39 and 9,424.51 is: 13,007.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,138.94 : 22,274.39 = 9,424.51 : x
  2. Step 2: Convert to fraction form
    16,138.94/22,274.39 = 9,424.51/x
  3. Step 3: Cross multiply
    16,138.94x = 22,274.39 × 9,424.51
  4. Step 4: Simplify right side
    16,138.94x = 209,925,179.17
  5. Step 5: Solve for x
    x = 209,925,179.17/16,138.94
  6. Step 6: Final answer
    x = 13,007.37

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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.