Home / 27,851.04-41,772.45-8,124.30

Finding the Fourth Proportional to 27,851.04, 41,772.45 and 8,124.30

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Solution

The fourth proportional to 27,851.04, 41,772.45 and 8,124.30 is: 12,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,851.04 : 41,772.45 = 8,124.30 : x
  2. Step 2: Convert to fraction form
    27,851.04/41,772.45 = 8,124.30/x
  3. Step 3: Cross multiply
    27,851.04x = 41,772.45 × 8,124.30
  4. Step 4: Simplify right side
    27,851.04x = 339,371,915.54
  5. Step 5: Solve for x
    x = 339,371,915.54/27,851.04
  6. Step 6: Final answer
    x = 12,185.25

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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.