Home / 22,012.16-30,376.48-12,076.16

Finding the Fourth Proportional to 22,012.16, 30,376.48 and 12,076.16

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Solution

The fourth proportional to 22,012.16, 30,376.48 and 12,076.16 is: 16,664.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012.16 : 30,376.48 = 12,076.16 : x
  2. Step 2: Convert to fraction form
    22,012.16/30,376.48 = 12,076.16/x
  3. Step 3: Cross multiply
    22,012.16x = 30,376.48 × 12,076.16
  4. Step 4: Simplify right side
    22,012.16x = 366,831,232.72
  5. Step 5: Solve for x
    x = 366,831,232.72/22,012.16
  6. Step 6: Final answer
    x = 16,664.94

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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.