Home / 21,476.52-32,201.55-7,433.28

Finding the Fourth Proportional to 21,476.52, 32,201.55 and 7,433.28

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Solution

The fourth proportional to 21,476.52, 32,201.55 and 7,433.28 is: 11,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476.52 : 32,201.55 = 7,433.28 : x
  2. Step 2: Convert to fraction form
    21,476.52/32,201.55 = 7,433.28/x
  3. Step 3: Cross multiply
    21,476.52x = 32,201.55 × 7,433.28
  4. Step 4: Simplify right side
    21,476.52x = 239,363,137.58
  5. Step 5: Solve for x
    x = 239,363,137.58/21,476.52
  6. Step 6: Final answer
    x = 11,145.34

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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.