Home / 29,616.13-40,866.32-19,020.12

Finding the Fourth Proportional to 29,616.13, 40,866.32 and 19,020.12

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Solution

The fourth proportional to 29,616.13, 40,866.32 and 19,020.12 is: 26,245.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,616.13 : 40,866.32 = 19,020.12 : x
  2. Step 2: Convert to fraction form
    29,616.13/40,866.32 = 19,020.12/x
  3. Step 3: Cross multiply
    29,616.13x = 40,866.32 × 19,020.12
  4. Step 4: Simplify right side
    29,616.13x = 777,282,310.36
  5. Step 5: Solve for x
    x = 777,282,310.36/29,616.13
  6. Step 6: Final answer
    x = 26,245.24

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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.