Home / 16,435.44-22,680.81-9,361.71

Finding the Fourth Proportional to 16,435.44, 22,680.81 and 9,361.71

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Solution

The fourth proportional to 16,435.44, 22,680.81 and 9,361.71 is: 12,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,435.44 : 22,680.81 = 9,361.71 : x
  2. Step 2: Convert to fraction form
    16,435.44/22,680.81 = 9,361.71/x
  3. Step 3: Cross multiply
    16,435.44x = 22,680.81 × 9,361.71
  4. Step 4: Simplify right side
    16,435.44x = 212,331,165.79
  5. Step 5: Solve for x
    x = 212,331,165.79/16,435.44
  6. Step 6: Final answer
    x = 12,919.10

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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.