Home / 22,172.08-30,597.35-12,100.49

Finding the Fourth Proportional to 22,172.08, 30,597.35 and 12,100.49

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Solution

The fourth proportional to 22,172.08, 30,597.35 and 12,100.49 is: 16,698.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,172.08 : 30,597.35 = 12,100.49 : x
  2. Step 2: Convert to fraction form
    22,172.08/30,597.35 = 12,100.49/x
  3. Step 3: Cross multiply
    22,172.08x = 30,597.35 × 12,100.49
  4. Step 4: Simplify right side
    22,172.08x = 370,242,828.95
  5. Step 5: Solve for x
    x = 370,242,828.95/22,172.08
  6. Step 6: Final answer
    x = 16,698.61

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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.