Home / 20,054.40-27,673.92-11,101.44

Finding the Fourth Proportional to 20,054.40, 27,673.92 and 11,101.44

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Solution

The fourth proportional to 20,054.40, 27,673.92 and 11,101.44 is: 15,319.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054.40 : 27,673.92 = 11,101.44 : x
  2. Step 2: Convert to fraction form
    20,054.40/27,673.92 = 11,101.44/x
  3. Step 3: Cross multiply
    20,054.40x = 27,673.92 × 11,101.44
  4. Step 4: Simplify right side
    20,054.40x = 307,220,362.44
  5. Step 5: Solve for x
    x = 307,220,362.44/20,054.40
  6. Step 6: Final answer
    x = 15,319.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.