Home / 19,921.09-29,841.57-9,232.48

Finding the Fourth Proportional to 19,921.09, 29,841.57 and 9,232.48

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Solution

The fourth proportional to 19,921.09, 29,841.57 and 9,232.48 is: 13,830.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,921.09 : 29,841.57 = 9,232.48 : x
  2. Step 2: Convert to fraction form
    19,921.09/29,841.57 = 9,232.48/x
  3. Step 3: Cross multiply
    19,921.09x = 29,841.57 × 9,232.48
  4. Step 4: Simplify right side
    19,921.09x = 275,511,698.19
  5. Step 5: Solve for x
    x = 275,511,698.19/19,921.09
  6. Step 6: Final answer
    x = 13,830.15

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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.