Home / 13,800.46-20,703.74-5,035.35

Finding the Fourth Proportional to 13,800.46, 20,703.74 and 5,035.35

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Solution

The fourth proportional to 13,800.46, 20,703.74 and 5,035.35 is: 7,554.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800.46 : 20,703.74 = 5,035.35 : x
  2. Step 2: Convert to fraction form
    13,800.46/20,703.74 = 5,035.35/x
  3. Step 3: Cross multiply
    13,800.46x = 20,703.74 × 5,035.35
  4. Step 4: Simplify right side
    13,800.46x = 104,250,467.40
  5. Step 5: Solve for x
    x = 104,250,467.40/13,800.46
  6. Step 6: Final answer
    x = 7,554.13

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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.