Home / 14,415.75-21,633.33-5,055.86

Finding the Fourth Proportional to 14,415.75, 21,633.33 and 5,055.86

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Solution

The fourth proportional to 14,415.75, 21,633.33 and 5,055.86 is: 7,587.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,415.75 : 21,633.33 = 5,055.86 : x
  2. Step 2: Convert to fraction form
    14,415.75/21,633.33 = 5,055.86/x
  3. Step 3: Cross multiply
    14,415.75x = 21,633.33 × 5,055.86
  4. Step 4: Simplify right side
    14,415.75x = 109,374,979.65
  5. Step 5: Solve for x
    x = 109,374,979.65/14,415.75
  6. Step 6: Final answer
    x = 7,587.19

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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.