Home / 17,954.20-24,777.12-9,997.08

Finding the Fourth Proportional to 17,954.20, 24,777.12 and 9,997.08

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Solution

The fourth proportional to 17,954.20, 24,777.12 and 9,997.08 is: 13,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,954.20 : 24,777.12 = 9,997.08 : x
  2. Step 2: Convert to fraction form
    17,954.20/24,777.12 = 9,997.08/x
  3. Step 3: Cross multiply
    17,954.20x = 24,777.12 × 9,997.08
  4. Step 4: Simplify right side
    17,954.20x = 247,698,850.81
  5. Step 5: Solve for x
    x = 247,698,850.81/17,954.20
  6. Step 6: Final answer
    x = 13,796.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.