Home / 27,375.75-37,778.55-14,800.50

Finding the Fourth Proportional to 27,375.75, 37,778.55 and 14,800.50

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Solution

The fourth proportional to 27,375.75, 37,778.55 and 14,800.50 is: 20,424.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,375.75 : 37,778.55 = 14,800.50 : x
  2. Step 2: Convert to fraction form
    27,375.75/37,778.55 = 14,800.50/x
  3. Step 3: Cross multiply
    27,375.75x = 37,778.55 × 14,800.50
  4. Step 4: Simplify right side
    27,375.75x = 559,141,429.28
  5. Step 5: Solve for x
    x = 559,141,429.28/27,375.75
  6. Step 6: Final answer
    x = 20,424.70

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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.