Home / 19,444.37-29,139.22-11,111.90

Finding the Fourth Proportional to 19,444.37, 29,139.22 and 11,111.90

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Solution

The fourth proportional to 19,444.37, 29,139.22 and 11,111.90 is: 16,652.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,444.37 : 29,139.22 = 11,111.90 : x
  2. Step 2: Convert to fraction form
    19,444.37/29,139.22 = 11,111.90/x
  3. Step 3: Cross multiply
    19,444.37x = 29,139.22 × 11,111.90
  4. Step 4: Simplify right side
    19,444.37x = 323,792,143.79
  5. Step 5: Solve for x
    x = 323,792,143.79/19,444.37
  6. Step 6: Final answer
    x = 16,652.23

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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.