Home / 16,915.63-23,343.33-9,361.36

Finding the Fourth Proportional to 16,915.63, 23,343.33 and 9,361.36

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Solution

The fourth proportional to 16,915.63, 23,343.33 and 9,361.36 is: 12,918.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915.63 : 23,343.33 = 9,361.36 : x
  2. Step 2: Convert to fraction form
    16,915.63/23,343.33 = 9,361.36/x
  3. Step 3: Cross multiply
    16,915.63x = 23,343.33 × 9,361.36
  4. Step 4: Simplify right side
    16,915.63x = 218,525,315.73
  5. Step 5: Solve for x
    x = 218,525,315.73/16,915.63
  6. Step 6: Final answer
    x = 12,918.54

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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.