Home / 37,997.80-56,999.94-9,921.58

Finding the Fourth Proportional to 37,997.80, 56,999.94 and 9,921.58

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Solution

The fourth proportional to 37,997.80, 56,999.94 and 9,921.58 is: 14,883.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,997.80 : 56,999.94 = 9,921.58 : x
  2. Step 2: Convert to fraction form
    37,997.80/56,999.94 = 9,921.58/x
  3. Step 3: Cross multiply
    37,997.80x = 56,999.94 × 9,921.58
  4. Step 4: Simplify right side
    37,997.80x = 565,529,464.71
  5. Step 5: Solve for x
    x = 565,529,464.71/37,997.80
  6. Step 6: Final answer
    x = 14,883.22

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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.