Home / 22,445.34-30,976.14-12,375.02

Finding the Fourth Proportional to 22,445.34, 30,976.14 and 12,375.02

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Solution

The fourth proportional to 22,445.34, 30,976.14 and 12,375.02 is: 17,078.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,445.34 : 30,976.14 = 12,375.02 : x
  2. Step 2: Convert to fraction form
    22,445.34/30,976.14 = 12,375.02/x
  3. Step 3: Cross multiply
    22,445.34x = 30,976.14 × 12,375.02
  4. Step 4: Simplify right side
    22,445.34x = 383,330,352.02
  5. Step 5: Solve for x
    x = 383,330,352.02/22,445.34
  6. Step 6: Final answer
    x = 17,078.39

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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.