Home / 46,121.74-69,175.69-12,838.39

Finding the Fourth Proportional to 46,121.74, 69,175.69 and 12,838.39

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Solution

The fourth proportional to 46,121.74, 69,175.69 and 12,838.39 is: 19,255.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,121.74 : 69,175.69 = 12,838.39 : x
  2. Step 2: Convert to fraction form
    46,121.74/69,175.69 = 12,838.39/x
  3. Step 3: Cross multiply
    46,121.74x = 69,175.69 × 12,838.39
  4. Step 4: Simplify right side
    46,121.74x = 888,104,486.74
  5. Step 5: Solve for x
    x = 888,104,486.74/46,121.74
  6. Step 6: Final answer
    x = 19,255.66

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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.