Home / 38,145.72-57,218.58-11,852.04

Finding the Fourth Proportional to 38,145.72, 57,218.58 and 11,852.04

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Solution

The fourth proportional to 38,145.72, 57,218.58 and 11,852.04 is: 17,778.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,145.72 : 57,218.58 = 11,852.04 : x
  2. Step 2: Convert to fraction form
    38,145.72/57,218.58 = 11,852.04/x
  3. Step 3: Cross multiply
    38,145.72x = 57,218.58 × 11,852.04
  4. Step 4: Simplify right side
    38,145.72x = 678,156,898.90
  5. Step 5: Solve for x
    x = 678,156,898.90/38,145.72
  6. Step 6: Final answer
    x = 17,778.06

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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.