Home / 22,940.75-31,676.16-14,878.25

Finding the Fourth Proportional to 22,940.75, 31,676.16 and 14,878.25

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Solution

The fourth proportional to 22,940.75, 31,676.16 and 14,878.25 is: 20,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,940.75 : 31,676.16 = 14,878.25 : x
  2. Step 2: Convert to fraction form
    22,940.75/31,676.16 = 14,878.25/x
  3. Step 3: Cross multiply
    22,940.75x = 31,676.16 × 14,878.25
  4. Step 4: Simplify right side
    22,940.75x = 471,285,594.75
  5. Step 5: Solve for x
    x = 471,285,594.75/22,940.75
  6. Step 6: Final answer
    x = 20,543.60

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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.