Home / 15,893.83-21,927.43-9,177

Finding the Fourth Proportional to 15,893.83, 21,927.43 and 9,177

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Solution

The fourth proportional to 15,893.83, 21,927.43 and 9,177 is: 12,660.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,893.83 : 21,927.43 = 9,177 : x
  2. Step 2: Convert to fraction form
    15,893.83/21,927.43 = 9,177/x
  3. Step 3: Cross multiply
    15,893.83x = 21,927.43 × 9,177
  4. Step 4: Simplify right side
    15,893.83x = 201,227,979.23
  5. Step 5: Solve for x
    x = 201,227,979.23/15,893.83
  6. Step 6: Final answer
    x = 12,660.76

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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.