Home / 36,872.64-55,309.14-9,170.64

Finding the Fourth Proportional to 36,872.64, 55,309.14 and 9,170.64

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Solution

The fourth proportional to 36,872.64, 55,309.14 and 9,170.64 is: 13,756.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,872.64 : 55,309.14 = 9,170.64 : x
  2. Step 2: Convert to fraction form
    36,872.64/55,309.14 = 9,170.64/x
  3. Step 3: Cross multiply
    36,872.64x = 55,309.14 × 9,170.64
  4. Step 4: Simplify right side
    36,872.64x = 507,220,211.65
  5. Step 5: Solve for x
    x = 507,220,211.65/36,872.64
  6. Step 6: Final answer
    x = 13,756.00

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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.