Home / 13,549.82-20,319.67-4,662.66

Finding the Fourth Proportional to 13,549.82, 20,319.67 and 4,662.66

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Solution

The fourth proportional to 13,549.82, 20,319.67 and 4,662.66 is: 6,992.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.82 : 20,319.67 = 4,662.66 : x
  2. Step 2: Convert to fraction form
    13,549.82/20,319.67 = 4,662.66/x
  3. Step 3: Cross multiply
    13,549.82x = 20,319.67 × 4,662.66
  4. Step 4: Simplify right side
    13,549.82x = 94,743,712.52
  5. Step 5: Solve for x
    x = 94,743,712.52/13,549.82
  6. Step 6: Final answer
    x = 6,992.25

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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.