Home / 27,751.75-41,638.56-12,158.44

Finding the Fourth Proportional to 27,751.75, 41,638.56 and 12,158.44

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Solution

The fourth proportional to 27,751.75, 41,638.56 and 12,158.44 is: 18,242.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,751.75 : 41,638.56 = 12,158.44 : x
  2. Step 2: Convert to fraction form
    27,751.75/41,638.56 = 12,158.44/x
  3. Step 3: Cross multiply
    27,751.75x = 41,638.56 × 12,158.44
  4. Step 4: Simplify right side
    27,751.75x = 506,259,783.76
  5. Step 5: Solve for x
    x = 506,259,783.76/27,751.75
  6. Step 6: Final answer
    x = 18,242.45

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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.