Home / 19,967.05-27,563.39-12,896.92

Finding the Fourth Proportional to 19,967.05, 27,563.39 and 12,896.92

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Solution

The fourth proportional to 19,967.05, 27,563.39 and 12,896.92 is: 17,803.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,967.05 : 27,563.39 = 12,896.92 : x
  2. Step 2: Convert to fraction form
    19,967.05/27,563.39 = 12,896.92/x
  3. Step 3: Cross multiply
    19,967.05x = 27,563.39 × 12,896.92
  4. Step 4: Simplify right side
    19,967.05x = 355,482,771.27
  5. Step 5: Solve for x
    x = 355,482,771.27/19,967.05
  6. Step 6: Final answer
    x = 17,803.47

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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.