Home / 38,461.26-57,695.13-12,165.42

Finding the Fourth Proportional to 38,461.26, 57,695.13 and 12,165.42

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Solution

The fourth proportional to 38,461.26, 57,695.13 and 12,165.42 is: 18,249.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,461.26 : 57,695.13 = 12,165.42 : x
  2. Step 2: Convert to fraction form
    38,461.26/57,695.13 = 12,165.42/x
  3. Step 3: Cross multiply
    38,461.26x = 57,695.13 × 12,165.42
  4. Step 4: Simplify right side
    38,461.26x = 701,885,488.40
  5. Step 5: Solve for x
    x = 701,885,488.40/38,461.26
  6. Step 6: Final answer
    x = 18,249.15

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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.