Home / 22,236.32-30,685.86-12,164.64

Finding the Fourth Proportional to 22,236.32, 30,685.86 and 12,164.64

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Solution

The fourth proportional to 22,236.32, 30,685.86 and 12,164.64 is: 16,787.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236.32 : 30,685.86 = 12,164.64 : x
  2. Step 2: Convert to fraction form
    22,236.32/30,685.86 = 12,164.64/x
  3. Step 3: Cross multiply
    22,236.32x = 30,685.86 × 12,164.64
  4. Step 4: Simplify right side
    22,236.32x = 373,282,470.40
  5. Step 5: Solve for x
    x = 373,282,470.40/22,236.32
  6. Step 6: Final answer
    x = 16,787.07

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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.