Home / 21,055.95-29,057.22-11,624.58

Finding the Fourth Proportional to 21,055.95, 29,057.22 and 11,624.58

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Solution

The fourth proportional to 21,055.95, 29,057.22 and 11,624.58 is: 16,041.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,055.95 : 29,057.22 = 11,624.58 : x
  2. Step 2: Convert to fraction form
    21,055.95/29,057.22 = 11,624.58/x
  3. Step 3: Cross multiply
    21,055.95x = 29,057.22 × 11,624.58
  4. Step 4: Simplify right side
    21,055.95x = 337,777,978.47
  5. Step 5: Solve for x
    x = 337,777,978.47/21,055.95
  6. Step 6: Final answer
    x = 16,041.93

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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.