Home / 36,772.45-55,166.87-13,398.88

Finding the Fourth Proportional to 36,772.45, 55,166.87 and 13,398.88

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Solution

The fourth proportional to 36,772.45, 55,166.87 and 13,398.88 is: 20,101.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,772.45 : 55,166.87 = 13,398.88 : x
  2. Step 2: Convert to fraction form
    36,772.45/55,166.87 = 13,398.88/x
  3. Step 3: Cross multiply
    36,772.45x = 55,166.87 × 13,398.88
  4. Step 4: Simplify right side
    36,772.45x = 739,174,271.11
  5. Step 5: Solve for x
    x = 739,174,271.11/36,772.45
  6. Step 6: Final answer
    x = 20,101.31

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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.