Home / 13,706.03-20,549.31-5,917.07

Finding the Fourth Proportional to 13,706.03, 20,549.31 and 5,917.07

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Solution

The fourth proportional to 13,706.03, 20,549.31 and 5,917.07 is: 8,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706.03 : 20,549.31 = 5,917.07 : x
  2. Step 2: Convert to fraction form
    13,706.03/20,549.31 = 5,917.07/x
  3. Step 3: Cross multiply
    13,706.03x = 20,549.31 × 5,917.07
  4. Step 4: Simplify right side
    13,706.03x = 121,591,602.98
  5. Step 5: Solve for x
    x = 121,591,602.98/13,706.03
  6. Step 6: Final answer
    x = 8,871.40

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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.