Home / 13,952.16-20,933.10-5,189.58

Finding the Fourth Proportional to 13,952.16, 20,933.10 and 5,189.58

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Solution

The fourth proportional to 13,952.16, 20,933.10 and 5,189.58 is: 7,786.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952.16 : 20,933.10 = 5,189.58 : x
  2. Step 2: Convert to fraction form
    13,952.16/20,933.10 = 5,189.58/x
  3. Step 3: Cross multiply
    13,952.16x = 20,933.10 × 5,189.58
  4. Step 4: Simplify right side
    13,952.16x = 108,633,997.10
  5. Step 5: Solve for x
    x = 108,633,997.10/13,952.16
  6. Step 6: Final answer
    x = 7,786.18

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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.