Home / 27,447.74-41,139.81-12,625.55

Finding the Fourth Proportional to 27,447.74, 41,139.81 and 12,625.55

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Solution

The fourth proportional to 27,447.74, 41,139.81 and 12,625.55 is: 18,923.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,447.74 : 41,139.81 = 12,625.55 : x
  2. Step 2: Convert to fraction form
    27,447.74/41,139.81 = 12,625.55/x
  3. Step 3: Cross multiply
    27,447.74x = 41,139.81 × 12,625.55
  4. Step 4: Simplify right side
    27,447.74x = 519,412,522.45
  5. Step 5: Solve for x
    x = 519,412,522.45/27,447.74
  6. Step 6: Final answer
    x = 18,923.69

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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.