Home / 22,445.41-30,974.87-12,374.20

Finding the Fourth Proportional to 22,445.41, 30,974.87 and 12,374.20

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Solution

The fourth proportional to 22,445.41, 30,974.87 and 12,374.20 is: 17,076.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,445.41 : 30,974.87 = 12,374.20 : x
  2. Step 2: Convert to fraction form
    22,445.41/30,974.87 = 12,374.20/x
  3. Step 3: Cross multiply
    22,445.41x = 30,974.87 × 12,374.20
  4. Step 4: Simplify right side
    22,445.41x = 383,289,300.32
  5. Step 5: Solve for x
    x = 383,289,300.32/22,445.41
  6. Step 6: Final answer
    x = 17,076.51

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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.