Home / 36,647.68-54,988.80-13,267.84

Finding the Fourth Proportional to 36,647.68, 54,988.80 and 13,267.84

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Solution

The fourth proportional to 36,647.68, 54,988.80 and 13,267.84 is: 19,908.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,647.68 : 54,988.80 = 13,267.84 : x
  2. Step 2: Convert to fraction form
    36,647.68/54,988.80 = 13,267.84/x
  3. Step 3: Cross multiply
    36,647.68x = 54,988.80 × 13,267.84
  4. Step 4: Simplify right side
    36,647.68x = 729,582,600.19
  5. Step 5: Solve for x
    x = 729,582,600.19/36,647.68
  6. Step 6: Final answer
    x = 19,908.02

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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.