Home / 13,703.23-20,558.49-4,343.50

Finding the Fourth Proportional to 13,703.23, 20,558.49 and 4,343.50

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Solution

The fourth proportional to 13,703.23, 20,558.49 and 4,343.50 is: 6,516.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,703.23 : 20,558.49 = 4,343.50 : x
  2. Step 2: Convert to fraction form
    13,703.23/20,558.49 = 4,343.50/x
  3. Step 3: Cross multiply
    13,703.23x = 20,558.49 × 4,343.50
  4. Step 4: Simplify right side
    13,703.23x = 89,295,801.32
  5. Step 5: Solve for x
    x = 89,295,801.32/13,703.23
  6. Step 6: Final answer
    x = 6,516.41

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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.