Home / 21,788.14-32,682.06-14,425.54

Finding the Fourth Proportional to 21,788.14, 32,682.06 and 14,425.54

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Solution

The fourth proportional to 21,788.14, 32,682.06 and 14,425.54 is: 21,638.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,788.14 : 32,682.06 = 14,425.54 : x
  2. Step 2: Convert to fraction form
    21,788.14/32,682.06 = 14,425.54/x
  3. Step 3: Cross multiply
    21,788.14x = 32,682.06 × 14,425.54
  4. Step 4: Simplify right side
    21,788.14x = 471,456,425.37
  5. Step 5: Solve for x
    x = 471,456,425.37/21,788.14
  6. Step 6: Final answer
    x = 21,638.21

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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.