Home / 22,739.15-34,045.74-11,621.90

Finding the Fourth Proportional to 22,739.15, 34,045.74 and 11,621.90

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Solution

The fourth proportional to 22,739.15, 34,045.74 and 11,621.90 is: 17,400.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,739.15 : 34,045.74 = 11,621.90 : x
  2. Step 2: Convert to fraction form
    22,739.15/34,045.74 = 11,621.90/x
  3. Step 3: Cross multiply
    22,739.15x = 34,045.74 × 11,621.90
  4. Step 4: Simplify right side
    22,739.15x = 395,676,015.48
  5. Step 5: Solve for x
    x = 395,676,015.48/22,739.15
  6. Step 6: Final answer
    x = 17,400.65

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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.