Home / 19,052.30-28,578.45-12,053.90

Finding the Fourth Proportional to 19,052.30, 28,578.45 and 12,053.90

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Solution

The fourth proportional to 19,052.30, 28,578.45 and 12,053.90 is: 18,080.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,052.30 : 28,578.45 = 12,053.90 : x
  2. Step 2: Convert to fraction form
    19,052.30/28,578.45 = 12,053.90/x
  3. Step 3: Cross multiply
    19,052.30x = 28,578.45 × 12,053.90
  4. Step 4: Simplify right side
    19,052.30x = 344,481,778.46
  5. Step 5: Solve for x
    x = 344,481,778.46/19,052.30
  6. Step 6: Final answer
    x = 18,080.85

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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.