Home / 19,809.09-29,713.41-4,816.29

Finding the Fourth Proportional to 19,809.09, 29,713.41 and 4,816.29

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Solution

The fourth proportional to 19,809.09, 29,713.41 and 4,816.29 is: 7,224.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,809.09 : 29,713.41 = 4,816.29 : x
  2. Step 2: Convert to fraction form
    19,809.09/29,713.41 = 4,816.29/x
  3. Step 3: Cross multiply
    19,809.09x = 29,713.41 × 4,816.29
  4. Step 4: Simplify right side
    19,809.09x = 143,108,510.87
  5. Step 5: Solve for x
    x = 143,108,510.87/19,809.09
  6. Step 6: Final answer
    x = 7,224.39

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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.