Home / 22,185.63-30,615.93-12,114.04

Finding the Fourth Proportional to 22,185.63, 30,615.93 and 12,114.04

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Solution

The fourth proportional to 22,185.63, 30,615.93 and 12,114.04 is: 16,717.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,185.63 : 30,615.93 = 12,114.04 : x
  2. Step 2: Convert to fraction form
    22,185.63/30,615.93 = 12,114.04/x
  3. Step 3: Cross multiply
    22,185.63x = 30,615.93 × 12,114.04
  4. Step 4: Simplify right side
    22,185.63x = 370,882,447.58
  5. Step 5: Solve for x
    x = 370,882,447.58/22,185.63
  6. Step 6: Final answer
    x = 16,717.24

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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.