Home / 13,782.30-20,673.46-5,017.28

Finding the Fourth Proportional to 13,782.30, 20,673.46 and 5,017.28

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Solution

The fourth proportional to 13,782.30, 20,673.46 and 5,017.28 is: 7,525.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,782.30 : 20,673.46 = 5,017.28 : x
  2. Step 2: Convert to fraction form
    13,782.30/20,673.46 = 5,017.28/x
  3. Step 3: Cross multiply
    13,782.30x = 20,673.46 × 5,017.28
  4. Step 4: Simplify right side
    13,782.30x = 103,724,537.39
  5. Step 5: Solve for x
    x = 103,724,537.39/13,782.30
  6. Step 6: Final answer
    x = 7,525.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.