Home / 13,521.24-20,282.67-6,502.68

Finding the Fourth Proportional to 13,521.24, 20,282.67 and 6,502.68

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Solution

The fourth proportional to 13,521.24, 20,282.67 and 6,502.68 is: 9,754.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,521.24 : 20,282.67 = 6,502.68 : x
  2. Step 2: Convert to fraction form
    13,521.24/20,282.67 = 6,502.68/x
  3. Step 3: Cross multiply
    13,521.24x = 20,282.67 × 6,502.68
  4. Step 4: Simplify right side
    13,521.24x = 131,891,712.56
  5. Step 5: Solve for x
    x = 131,891,712.56/13,521.24
  6. Step 6: Final answer
    x = 9,754.41

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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.