Home / 22,170.47-30,592.56-12,611.57

Finding the Fourth Proportional to 22,170.47, 30,592.56 and 12,611.57

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Solution

The fourth proportional to 22,170.47, 30,592.56 and 12,611.57 is: 17,402.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.47 : 30,592.56 = 12,611.57 : x
  2. Step 2: Convert to fraction form
    22,170.47/30,592.56 = 12,611.57/x
  3. Step 3: Cross multiply
    22,170.47x = 30,592.56 × 12,611.57
  4. Step 4: Simplify right side
    22,170.47x = 385,820,207.39
  5. Step 5: Solve for x
    x = 385,820,207.39/22,170.47
  6. Step 6: Final answer
    x = 17,402.44

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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.