Home / 13,551.24-18,690.18-9,073.56

Finding the Fourth Proportional to 13,551.24, 18,690.18 and 9,073.56

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Solution

The fourth proportional to 13,551.24, 18,690.18 and 9,073.56 is: 12,514.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,551.24 : 18,690.18 = 9,073.56 : x
  2. Step 2: Convert to fraction form
    13,551.24/18,690.18 = 9,073.56/x
  3. Step 3: Cross multiply
    13,551.24x = 18,690.18 × 9,073.56
  4. Step 4: Simplify right side
    13,551.24x = 169,586,469.64
  5. Step 5: Solve for x
    x = 169,586,469.64/13,551.24
  6. Step 6: Final answer
    x = 12,514.46

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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.