Home / 19,623.36-29,436.48-7,936.32

Finding the Fourth Proportional to 19,623.36, 29,436.48 and 7,936.32

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Solution

The fourth proportional to 19,623.36, 29,436.48 and 7,936.32 is: 11,905.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.36 : 29,436.48 = 7,936.32 : x
  2. Step 2: Convert to fraction form
    19,623.36/29,436.48 = 7,936.32/x
  3. Step 3: Cross multiply
    19,623.36x = 29,436.48 × 7,936.32
  4. Step 4: Simplify right side
    19,623.36x = 233,617,324.95
  5. Step 5: Solve for x
    x = 233,617,324.95/19,623.36
  6. Step 6: Final answer
    x = 11,905.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.