Home / 13,496.51-20,239.90-5,705.93

Finding the Fourth Proportional to 13,496.51, 20,239.90 and 5,705.93

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Solution

The fourth proportional to 13,496.51, 20,239.90 and 5,705.93 is: 8,556.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.51 : 20,239.90 = 5,705.93 : x
  2. Step 2: Convert to fraction form
    13,496.51/20,239.90 = 5,705.93/x
  3. Step 3: Cross multiply
    13,496.51x = 20,239.90 × 5,705.93
  4. Step 4: Simplify right side
    13,496.51x = 115,487,452.61
  5. Step 5: Solve for x
    x = 115,487,452.61/13,496.51
  6. Step 6: Final answer
    x = 8,556.84

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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.