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Finding the Fourth Proportional to 22,335.44, 30,813.04 and 13,835.32

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Solution

The fourth proportional to 22,335.44, 30,813.04 and 13,835.32 is: 19,086.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,335.44 : 30,813.04 = 13,835.32 : x
  2. Step 2: Convert to fraction form
    22,335.44/30,813.04 = 13,835.32/x
  3. Step 3: Cross multiply
    22,335.44x = 30,813.04 × 13,835.32
  4. Step 4: Simplify right side
    22,335.44x = 426,308,268.57
  5. Step 5: Solve for x
    x = 426,308,268.57/22,335.44
  6. Step 6: Final answer
    x = 19,086.63

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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.