Home / 13,474.06-20,220.32-4,708.98

Finding the Fourth Proportional to 13,474.06, 20,220.32 and 4,708.98

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Solution

The fourth proportional to 13,474.06, 20,220.32 and 4,708.98 is: 7,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.06 : 20,220.32 = 4,708.98 : x
  2. Step 2: Convert to fraction form
    13,474.06/20,220.32 = 4,708.98/x
  3. Step 3: Cross multiply
    13,474.06x = 20,220.32 × 4,708.98
  4. Step 4: Simplify right side
    13,474.06x = 95,217,094.25
  5. Step 5: Solve for x
    x = 95,217,094.25/13,474.06
  6. Step 6: Final answer
    x = 7,066.70

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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.