Home / 19,312.36-26,653.32-11,763.12

Finding the Fourth Proportional to 19,312.36, 26,653.32 and 11,763.12

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Solution

The fourth proportional to 19,312.36, 26,653.32 and 11,763.12 is: 16,234.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312.36 : 26,653.32 = 11,763.12 : x
  2. Step 2: Convert to fraction form
    19,312.36/26,653.32 = 11,763.12/x
  3. Step 3: Cross multiply
    19,312.36x = 26,653.32 × 11,763.12
  4. Step 4: Simplify right side
    19,312.36x = 313,526,201.56
  5. Step 5: Solve for x
    x = 313,526,201.56/19,312.36
  6. Step 6: Final answer
    x = 16,234.48

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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.