Home / 22,109.64-30,517.74-17,664.36

Finding the Fourth Proportional to 22,109.64, 30,517.74 and 17,664.36

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Solution

The fourth proportional to 22,109.64, 30,517.74 and 17,664.36 is: 24,381.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,109.64 : 30,517.74 = 17,664.36 : x
  2. Step 2: Convert to fraction form
    22,109.64/30,517.74 = 17,664.36/x
  3. Step 3: Cross multiply
    22,109.64x = 30,517.74 × 17,664.36
  4. Step 4: Simplify right side
    22,109.64x = 539,076,345.75
  5. Step 5: Solve for x
    x = 539,076,345.75/22,109.64
  6. Step 6: Final answer
    x = 24,381.96

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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.