Home / 20,625.36-28,462.13-11,673.35

Finding the Fourth Proportional to 20,625.36, 28,462.13 and 11,673.35

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Solution

The fourth proportional to 20,625.36, 28,462.13 and 11,673.35 is: 16,108.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,625.36 : 28,462.13 = 11,673.35 : x
  2. Step 2: Convert to fraction form
    20,625.36/28,462.13 = 11,673.35/x
  3. Step 3: Cross multiply
    20,625.36x = 28,462.13 × 11,673.35
  4. Step 4: Simplify right side
    20,625.36x = 332,248,540.80
  5. Step 5: Solve for x
    x = 332,248,540.80/20,625.36
  6. Step 6: Final answer
    x = 16,108.74

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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.