Home / 20,583.48-30,848.10-11,227.56

Finding the Fourth Proportional to 20,583.48, 30,848.10 and 11,227.56

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Solution

The fourth proportional to 20,583.48, 30,848.10 and 11,227.56 is: 16,826.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,583.48 : 30,848.10 = 11,227.56 : x
  2. Step 2: Convert to fraction form
    20,583.48/30,848.10 = 11,227.56/x
  3. Step 3: Cross multiply
    20,583.48x = 30,848.10 × 11,227.56
  4. Step 4: Simplify right side
    20,583.48x = 346,348,893.64
  5. Step 5: Solve for x
    x = 346,348,893.64/20,583.48
  6. Step 6: Final answer
    x = 16,826.55

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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.