Home / 22,235.70-30,685.84-12,164.56

Finding the Fourth Proportional to 22,235.70, 30,685.84 and 12,164.56

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Solution

The fourth proportional to 22,235.70, 30,685.84 and 12,164.56 is: 16,787.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,235.70 : 30,685.84 = 12,164.56 : x
  2. Step 2: Convert to fraction form
    22,235.70/30,685.84 = 12,164.56/x
  3. Step 3: Cross multiply
    22,235.70x = 30,685.84 × 12,164.56
  4. Step 4: Simplify right side
    22,235.70x = 373,279,807.31
  5. Step 5: Solve for x
    x = 373,279,807.31/22,235.70
  6. Step 6: Final answer
    x = 16,787.41

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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.