Home / 21,972.54-30,322.14-13,024.44

Finding the Fourth Proportional to 21,972.54, 30,322.14 and 13,024.44

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Solution

The fourth proportional to 21,972.54, 30,322.14 and 13,024.44 is: 17,973.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,972.54 : 30,322.14 = 13,024.44 : x
  2. Step 2: Convert to fraction form
    21,972.54/30,322.14 = 13,024.44/x
  3. Step 3: Cross multiply
    21,972.54x = 30,322.14 × 13,024.44
  4. Step 4: Simplify right side
    21,972.54x = 394,928,893.10
  5. Step 5: Solve for x
    x = 394,928,893.10/21,972.54
  6. Step 6: Final answer
    x = 17,973.75

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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.