Home / 16,893.28-23,280.24-11,916.64

Finding the Fourth Proportional to 16,893.28, 23,280.24 and 11,916.64

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Solution

The fourth proportional to 16,893.28, 23,280.24 and 11,916.64 is: 16,422.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,893.28 : 23,280.24 = 11,916.64 : x
  2. Step 2: Convert to fraction form
    16,893.28/23,280.24 = 11,916.64/x
  3. Step 3: Cross multiply
    16,893.28x = 23,280.24 × 11,916.64
  4. Step 4: Simplify right side
    16,893.28x = 277,422,239.19
  5. Step 5: Solve for x
    x = 277,422,239.19/16,893.28
  6. Step 6: Final answer
    x = 16,422.05

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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.