Home / 16,916.76-23,367.44-12,986.44

Finding the Fourth Proportional to 16,916.76, 23,367.44 and 12,986.44

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Solution

The fourth proportional to 16,916.76, 23,367.44 and 12,986.44 is: 17,938.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,916.76 : 23,367.44 = 12,986.44 : x
  2. Step 2: Convert to fraction form
    16,916.76/23,367.44 = 12,986.44/x
  3. Step 3: Cross multiply
    16,916.76x = 23,367.44 × 12,986.44
  4. Step 4: Simplify right side
    16,916.76x = 303,459,857.51
  5. Step 5: Solve for x
    x = 303,459,857.51/16,916.76
  6. Step 6: Final answer
    x = 17,938.41

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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.