Home / 29,016.93-43,513.79-12,384.39

Finding the Fourth Proportional to 29,016.93, 43,513.79 and 12,384.39

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Solution

The fourth proportional to 29,016.93, 43,513.79 and 12,384.39 is: 18,571.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,016.93 : 43,513.79 = 12,384.39 : x
  2. Step 2: Convert to fraction form
    29,016.93/43,513.79 = 12,384.39/x
  3. Step 3: Cross multiply
    29,016.93x = 43,513.79 × 12,384.39
  4. Step 4: Simplify right side
    29,016.93x = 538,891,683.82
  5. Step 5: Solve for x
    x = 538,891,683.82/29,016.93
  6. Step 6: Final answer
    x = 18,571.63

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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.