Home / 25,125.05-37,676.34-8,480.77

Finding the Fourth Proportional to 25,125.05, 37,676.34 and 8,480.77

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Solution

The fourth proportional to 25,125.05, 37,676.34 and 8,480.77 is: 12,717.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,125.05 : 37,676.34 = 8,480.77 : x
  2. Step 2: Convert to fraction form
    25,125.05/37,676.34 = 8,480.77/x
  3. Step 3: Cross multiply
    25,125.05x = 37,676.34 × 8,480.77
  4. Step 4: Simplify right side
    25,125.05x = 319,524,279.79
  5. Step 5: Solve for x
    x = 319,524,279.79/25,125.05
  6. Step 6: Final answer
    x = 12,717.36

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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.