Home / 27,294.80-37,655.16-19,745.60

Finding the Fourth Proportional to 27,294.80, 37,655.16 and 19,745.60

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Solution

The fourth proportional to 27,294.80, 37,655.16 and 19,745.60 is: 27,240.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,294.80 : 37,655.16 = 19,745.60 : x
  2. Step 2: Convert to fraction form
    27,294.80/37,655.16 = 19,745.60/x
  3. Step 3: Cross multiply
    27,294.80x = 37,655.16 × 19,745.60
  4. Step 4: Simplify right side
    27,294.80x = 743,523,727.30
  5. Step 5: Solve for x
    x = 743,523,727.30/27,294.80
  6. Step 6: Final answer
    x = 27,240.49

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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.