Home / 46,512.20-69,768.29-13,680.20

Finding the Fourth Proportional to 46,512.20, 69,768.29 and 13,680.20

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Solution

The fourth proportional to 46,512.20, 69,768.29 and 13,680.20 is: 20,520.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,512.20 : 69,768.29 = 13,680.20 : x
  2. Step 2: Convert to fraction form
    46,512.20/69,768.29 = 13,680.20/x
  3. Step 3: Cross multiply
    46,512.20x = 69,768.29 × 13,680.20
  4. Step 4: Simplify right side
    46,512.20x = 954,443,743.62
  5. Step 5: Solve for x
    x = 954,443,743.62/46,512.20
  6. Step 6: Final answer
    x = 20,520.29

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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.