Home / 46,121.69-69,183.14-12,840.95

Finding the Fourth Proportional to 46,121.69, 69,183.14 and 12,840.95

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Solution

The fourth proportional to 46,121.69, 69,183.14 and 12,840.95 is: 19,261.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,121.69 : 69,183.14 = 12,840.95 : x
  2. Step 2: Convert to fraction form
    46,121.69/69,183.14 = 12,840.95/x
  3. Step 3: Cross multiply
    46,121.69x = 69,183.14 × 12,840.95
  4. Step 4: Simplify right side
    46,121.69x = 888,376,831.46
  5. Step 5: Solve for x
    x = 888,376,831.46/46,121.69
  6. Step 6: Final answer
    x = 19,261.59

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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.