Home / 21,468.51-32,211.99-10,383.48

Finding the Fourth Proportional to 21,468.51, 32,211.99 and 10,383.48

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Solution

The fourth proportional to 21,468.51, 32,211.99 and 10,383.48 is: 15,579.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,468.51 : 32,211.99 = 10,383.48 : x
  2. Step 2: Convert to fraction form
    21,468.51/32,211.99 = 10,383.48/x
  3. Step 3: Cross multiply
    21,468.51x = 32,211.99 × 10,383.48
  4. Step 4: Simplify right side
    21,468.51x = 334,472,553.93
  5. Step 5: Solve for x
    x = 334,472,553.93/21,468.51
  6. Step 6: Final answer
    x = 15,579.68

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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.