Home / 36,161.72-54,258.54-12,472.88

Finding the Fourth Proportional to 36,161.72, 54,258.54 and 12,472.88

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Solution

The fourth proportional to 36,161.72, 54,258.54 and 12,472.88 is: 18,714.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,161.72 : 54,258.54 = 12,472.88 : x
  2. Step 2: Convert to fraction form
    36,161.72/54,258.54 = 12,472.88/x
  3. Step 3: Cross multiply
    36,161.72x = 54,258.54 × 12,472.88
  4. Step 4: Simplify right side
    36,161.72x = 676,760,258.40
  5. Step 5: Solve for x
    x = 676,760,258.40/36,161.72
  6. Step 6: Final answer
    x = 18,714.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.