Home / 16,974.56-23,435.46-15,915.46

Finding the Fourth Proportional to 16,974.56, 23,435.46 and 15,915.46

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Solution

The fourth proportional to 16,974.56, 23,435.46 and 15,915.46 is: 21,973.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,974.56 : 23,435.46 = 15,915.46 : x
  2. Step 2: Convert to fraction form
    16,974.56/23,435.46 = 15,915.46/x
  3. Step 3: Cross multiply
    16,974.56x = 23,435.46 × 15,915.46
  4. Step 4: Simplify right side
    16,974.56x = 372,986,126.21
  5. Step 5: Solve for x
    x = 372,986,126.21/16,974.56
  6. Step 6: Final answer
    x = 21,973.24

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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.