Home / 38,992.95-58,453.52-12,684.15

Finding the Fourth Proportional to 38,992.95, 58,453.52 and 12,684.15

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Solution

The fourth proportional to 38,992.95, 58,453.52 and 12,684.15 is: 19,014.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,992.95 : 58,453.52 = 12,684.15 : x
  2. Step 2: Convert to fraction form
    38,992.95/58,453.52 = 12,684.15/x
  3. Step 3: Cross multiply
    38,992.95x = 58,453.52 × 12,684.15
  4. Step 4: Simplify right side
    38,992.95x = 741,433,152.29
  5. Step 5: Solve for x
    x = 741,433,152.29/38,992.95
  6. Step 6: Final answer
    x = 19,014.54

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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.