Home / 21,055.88-29,056.92-11,624.52

Finding the Fourth Proportional to 21,055.88, 29,056.92 and 11,624.52

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Solution

The fourth proportional to 21,055.88, 29,056.92 and 11,624.52 is: 16,041.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,055.88 : 29,056.92 = 11,624.52 : x
  2. Step 2: Convert to fraction form
    21,055.88/29,056.92 = 11,624.52/x
  3. Step 3: Cross multiply
    21,055.88x = 29,056.92 × 11,624.52
  4. Step 4: Simplify right side
    21,055.88x = 337,772,747.68
  5. Step 5: Solve for x
    x = 337,772,747.68/21,055.88
  6. Step 6: Final answer
    x = 16,041.73

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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.