Home / 25,145.16-37,660.30-12,006.80

Finding the Fourth Proportional to 25,145.16, 37,660.30 and 12,006.80

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Solution

The fourth proportional to 25,145.16, 37,660.30 and 12,006.80 is: 17,982.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,145.16 : 37,660.30 = 12,006.80 : x
  2. Step 2: Convert to fraction form
    25,145.16/37,660.30 = 12,006.80/x
  3. Step 3: Cross multiply
    25,145.16x = 37,660.30 × 12,006.80
  4. Step 4: Simplify right side
    25,145.16x = 452,179,690.04
  5. Step 5: Solve for x
    x = 452,179,690.04/25,145.16
  6. Step 6: Final answer
    x = 17,982.77

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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.