Home / 21,940.15-32,915.07-10,246.99

Finding the Fourth Proportional to 21,940.15, 32,915.07 and 10,246.99

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Solution

The fourth proportional to 21,940.15, 32,915.07 and 10,246.99 is: 15,372.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,940.15 : 32,915.07 = 10,246.99 : x
  2. Step 2: Convert to fraction form
    21,940.15/32,915.07 = 10,246.99/x
  3. Step 3: Cross multiply
    21,940.15x = 32,915.07 × 10,246.99
  4. Step 4: Simplify right side
    21,940.15x = 337,280,393.14
  5. Step 5: Solve for x
    x = 337,280,393.14/21,940.15
  6. Step 6: Final answer
    x = 15,372.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.