Home / 38,627.95-57,950.96-11,972.54

Finding the Fourth Proportional to 38,627.95, 57,950.96 and 11,972.54

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Solution

The fourth proportional to 38,627.95, 57,950.96 and 11,972.54 is: 17,961.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,627.95 : 57,950.96 = 11,972.54 : x
  2. Step 2: Convert to fraction form
    38,627.95/57,950.96 = 11,972.54/x
  3. Step 3: Cross multiply
    38,627.95x = 57,950.96 × 11,972.54
  4. Step 4: Simplify right side
    38,627.95x = 693,820,339.00
  5. Step 5: Solve for x
    x = 693,820,339.00/38,627.95
  6. Step 6: Final answer
    x = 17,961.62

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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.