Home / 14,399.49-21,611.12-11,132.49

Finding the Fourth Proportional to 14,399.49, 21,611.12 and 11,132.49

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Solution

The fourth proportional to 14,399.49, 21,611.12 and 11,132.49 is: 16,707.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.49 : 21,611.12 = 11,132.49 : x
  2. Step 2: Convert to fraction form
    14,399.49/21,611.12 = 11,132.49/x
  3. Step 3: Cross multiply
    14,399.49x = 21,611.12 × 11,132.49
  4. Step 4: Simplify right side
    14,399.49x = 240,585,521.63
  5. Step 5: Solve for x
    x = 240,585,521.63/14,399.49
  6. Step 6: Final answer
    x = 16,707.92

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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.