Home / 19,557.36-26,983.26-11,995.92

Finding the Fourth Proportional to 19,557.36, 26,983.26 and 11,995.92

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Solution

The fourth proportional to 19,557.36, 26,983.26 and 11,995.92 is: 16,550.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557.36 : 26,983.26 = 11,995.92 : x
  2. Step 2: Convert to fraction form
    19,557.36/26,983.26 = 11,995.92/x
  3. Step 3: Cross multiply
    19,557.36x = 26,983.26 × 11,995.92
  4. Step 4: Simplify right side
    19,557.36x = 323,689,028.30
  5. Step 5: Solve for x
    x = 323,689,028.30/19,557.36
  6. Step 6: Final answer
    x = 16,550.75

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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.