Home / 20,436.73-28,202.73-11,484.25

Finding the Fourth Proportional to 20,436.73, 28,202.73 and 11,484.25

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Solution

The fourth proportional to 20,436.73, 28,202.73 and 11,484.25 is: 15,848.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,436.73 : 28,202.73 = 11,484.25 : x
  2. Step 2: Convert to fraction form
    20,436.73/28,202.73 = 11,484.25/x
  3. Step 3: Cross multiply
    20,436.73x = 28,202.73 × 11,484.25
  4. Step 4: Simplify right side
    20,436.73x = 323,887,202.00
  5. Step 5: Solve for x
    x = 323,887,202.00/20,436.73
  6. Step 6: Final answer
    x = 15,848.29

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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.