Home / 17,735.57-24,476.01-9,777.78

Finding the Fourth Proportional to 17,735.57, 24,476.01 and 9,777.78

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Solution

The fourth proportional to 17,735.57, 24,476.01 and 9,777.78 is: 13,493.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,735.57 : 24,476.01 = 9,777.78 : x
  2. Step 2: Convert to fraction form
    17,735.57/24,476.01 = 9,777.78/x
  3. Step 3: Cross multiply
    17,735.57x = 24,476.01 × 9,777.78
  4. Step 4: Simplify right side
    17,735.57x = 239,321,004.39
  5. Step 5: Solve for x
    x = 239,321,004.39/17,735.57
  6. Step 6: Final answer
    x = 13,493.84

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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.