Home / 25,141.88-37,712.23-12,658.54

Finding the Fourth Proportional to 25,141.88, 37,712.23 and 12,658.54

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Solution

The fourth proportional to 25,141.88, 37,712.23 and 12,658.54 is: 18,987.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,141.88 : 37,712.23 = 12,658.54 : x
  2. Step 2: Convert to fraction form
    25,141.88/37,712.23 = 12,658.54/x
  3. Step 3: Cross multiply
    25,141.88x = 37,712.23 × 12,658.54
  4. Step 4: Simplify right side
    25,141.88x = 477,381,771.94
  5. Step 5: Solve for x
    x = 477,381,771.94/25,141.88
  6. Step 6: Final answer
    x = 18,987.51

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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.