Home / 21,464.07-32,201.00-7,424.08

Finding the Fourth Proportional to 21,464.07, 32,201.00 and 7,424.08

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Solution

The fourth proportional to 21,464.07, 32,201.00 and 7,424.08 is: 11,137.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,464.07 : 32,201.00 = 7,424.08 : x
  2. Step 2: Convert to fraction form
    21,464.07/32,201.00 = 7,424.08/x
  3. Step 3: Cross multiply
    21,464.07x = 32,201.00 × 7,424.08
  4. Step 4: Simplify right side
    21,464.07x = 239,062,841.32
  5. Step 5: Solve for x
    x = 239,062,841.32/21,464.07
  6. Step 6: Final answer
    x = 11,137.82

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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.