Home / 22,853.20-31,481.04-19,485.04

Finding the Fourth Proportional to 22,853.20, 31,481.04 and 19,485.04

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Solution

The fourth proportional to 22,853.20, 31,481.04 and 19,485.04 is: 26,841.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,853.20 : 31,481.04 = 19,485.04 : x
  2. Step 2: Convert to fraction form
    22,853.20/31,481.04 = 19,485.04/x
  3. Step 3: Cross multiply
    22,853.20x = 31,481.04 × 19,485.04
  4. Step 4: Simplify right side
    22,853.20x = 613,409,323.64
  5. Step 5: Solve for x
    x = 613,409,323.64/22,853.20
  6. Step 6: Final answer
    x = 26,841.29

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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.