Home / 25,379.08-38,043.52-12,028.62

Finding the Fourth Proportional to 25,379.08, 38,043.52 and 12,028.62

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Solution

The fourth proportional to 25,379.08, 38,043.52 and 12,028.62 is: 18,031.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,379.08 : 38,043.52 = 12,028.62 : x
  2. Step 2: Convert to fraction form
    25,379.08/38,043.52 = 12,028.62/x
  3. Step 3: Cross multiply
    25,379.08x = 38,043.52 × 12,028.62
  4. Step 4: Simplify right side
    25,379.08x = 457,611,045.54
  5. Step 5: Solve for x
    x = 457,611,045.54/25,379.08
  6. Step 6: Final answer
    x = 18,031.03

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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.