Home / 13,033.68-17,986.56-7,065.44

Finding the Fourth Proportional to 13,033.68, 17,986.56 and 7,065.44

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Solution

The fourth proportional to 13,033.68, 17,986.56 and 7,065.44 is: 9,750.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,033.68 : 17,986.56 = 7,065.44 : x
  2. Step 2: Convert to fraction form
    13,033.68/17,986.56 = 7,065.44/x
  3. Step 3: Cross multiply
    13,033.68x = 17,986.56 × 7,065.44
  4. Step 4: Simplify right side
    13,033.68x = 127,082,942.02
  5. Step 5: Solve for x
    x = 127,082,942.02/13,033.68
  6. Step 6: Final answer
    x = 9,750.35

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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.