Home / 21,643.33-32,445.74-11,653.52

Finding the Fourth Proportional to 21,643.33, 32,445.74 and 11,653.52

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Solution

The fourth proportional to 21,643.33, 32,445.74 and 11,653.52 is: 17,469.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,643.33 : 32,445.74 = 11,653.52 : x
  2. Step 2: Convert to fraction form
    21,643.33/32,445.74 = 11,653.52/x
  3. Step 3: Cross multiply
    21,643.33x = 32,445.74 × 11,653.52
  4. Step 4: Simplify right side
    21,643.33x = 378,107,096.64
  5. Step 5: Solve for x
    x = 378,107,096.64/21,643.33
  6. Step 6: Final answer
    x = 17,469.92

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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.