Home / 17,955.24-24,777.81-9,997.31

Finding the Fourth Proportional to 17,955.24, 24,777.81 and 9,997.31

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Solution

The fourth proportional to 17,955.24, 24,777.81 and 9,997.31 is: 13,796.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,955.24 : 24,777.81 = 9,997.31 : x
  2. Step 2: Convert to fraction form
    17,955.24/24,777.81 = 9,997.31/x
  3. Step 3: Cross multiply
    17,955.24x = 24,777.81 × 9,997.31
  4. Step 4: Simplify right side
    17,955.24x = 247,711,323.80
  5. Step 5: Solve for x
    x = 247,711,323.80/17,955.24
  6. Step 6: Final answer
    x = 13,796.05

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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.