Home / 13,021.23-17,969.30-7,052.88

Finding the Fourth Proportional to 13,021.23, 17,969.30 and 7,052.88

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Solution

The fourth proportional to 13,021.23, 17,969.30 and 7,052.88 is: 9,732.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.23 : 17,969.30 = 7,052.88 : x
  2. Step 2: Convert to fraction form
    13,021.23/17,969.30 = 7,052.88/x
  3. Step 3: Cross multiply
    13,021.23x = 17,969.30 × 7,052.88
  4. Step 4: Simplify right side
    13,021.23x = 126,735,334.22
  5. Step 5: Solve for x
    x = 126,735,334.22/13,021.23
  6. Step 6: Final answer
    x = 9,732.98

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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.