Home / 13,303.89-19,968.12-6,734.70

Finding the Fourth Proportional to 13,303.89, 19,968.12 and 6,734.70

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Solution

The fourth proportional to 13,303.89, 19,968.12 and 6,734.70 is: 10,108.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.89 : 19,968.12 = 6,734.70 : x
  2. Step 2: Convert to fraction form
    13,303.89/19,968.12 = 6,734.70/x
  3. Step 3: Cross multiply
    13,303.89x = 19,968.12 × 6,734.70
  4. Step 4: Simplify right side
    13,303.89x = 134,479,297.76
  5. Step 5: Solve for x
    x = 134,479,297.76/13,303.89
  6. Step 6: Final answer
    x = 10,108.27

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1.5x scale

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.