Home / 22,445.91-30,974.75-12,374.39

Finding the Fourth Proportional to 22,445.91, 30,974.75 and 12,374.39

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Solution

The fourth proportional to 22,445.91, 30,974.75 and 12,374.39 is: 17,076.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,445.91 : 30,974.75 = 12,374.39 : x
  2. Step 2: Convert to fraction form
    22,445.91/30,974.75 = 12,374.39/x
  3. Step 3: Cross multiply
    22,445.91x = 30,974.75 × 12,374.39
  4. Step 4: Simplify right side
    22,445.91x = 383,293,636.65
  5. Step 5: Solve for x
    x = 383,293,636.65/22,445.91
  6. Step 6: Final answer
    x = 17,076.32

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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.