Home / 16,915.43-23,342.96-9,361.76

Finding the Fourth Proportional to 16,915.43, 23,342.96 and 9,361.76

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Solution

The fourth proportional to 16,915.43, 23,342.96 and 9,361.76 is: 12,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915.43 : 23,342.96 = 9,361.76 : x
  2. Step 2: Convert to fraction form
    16,915.43/23,342.96 = 9,361.76/x
  3. Step 3: Cross multiply
    16,915.43x = 23,342.96 × 9,361.76
  4. Step 4: Simplify right side
    16,915.43x = 218,531,227.20
  5. Step 5: Solve for x
    x = 218,531,227.20/16,915.43
  6. Step 6: Final answer
    x = 12,919.05

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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.