Home / 13,317.22-19,975.64-7,703.33

Finding the Fourth Proportional to 13,317.22, 19,975.64 and 7,703.33

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Solution

The fourth proportional to 13,317.22, 19,975.64 and 7,703.33 is: 11,554.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.22 : 19,975.64 = 7,703.33 : x
  2. Step 2: Convert to fraction form
    13,317.22/19,975.64 = 7,703.33/x
  3. Step 3: Cross multiply
    13,317.22x = 19,975.64 × 7,703.33
  4. Step 4: Simplify right side
    13,317.22x = 153,878,808.49
  5. Step 5: Solve for x
    x = 153,878,808.49/13,317.22
  6. Step 6: Final answer
    x = 11,554.87

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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.