Home / 13,033.56-17,982.12-7,995.36

Finding the Fourth Proportional to 13,033.56, 17,982.12 and 7,995.36

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Solution

The fourth proportional to 13,033.56, 17,982.12 and 7,995.36 is: 11,031.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,033.56 : 17,982.12 = 7,995.36 : x
  2. Step 2: Convert to fraction form
    13,033.56/17,982.12 = 7,995.36/x
  3. Step 3: Cross multiply
    13,033.56x = 17,982.12 × 7,995.36
  4. Step 4: Simplify right side
    13,033.56x = 143,773,522.96
  5. Step 5: Solve for x
    x = 143,773,522.96/13,033.56
  6. Step 6: Final answer
    x = 11,031.02

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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.