Home / 13,976.16-20,887.26-13,167

Finding the Fourth Proportional to 13,976.16, 20,887.26 and 13,167

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Solution

The fourth proportional to 13,976.16, 20,887.26 and 13,167 is: 19,677.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.16 : 20,887.26 = 13,167 : x
  2. Step 2: Convert to fraction form
    13,976.16/20,887.26 = 13,167/x
  3. Step 3: Cross multiply
    13,976.16x = 20,887.26 × 13,167
  4. Step 4: Simplify right side
    13,976.16x = 275,022,552.42
  5. Step 5: Solve for x
    x = 275,022,552.42/13,976.16
  6. Step 6: Final answer
    x = 19,677.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.