Home / 38,137.08-57,205.96-15,660.12

Finding the Fourth Proportional to 38,137.08, 57,205.96 and 15,660.12

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Solution

The fourth proportional to 38,137.08, 57,205.96 and 15,660.12 is: 23,490.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,137.08 : 57,205.96 = 15,660.12 : x
  2. Step 2: Convert to fraction form
    38,137.08/57,205.96 = 15,660.12/x
  3. Step 3: Cross multiply
    38,137.08x = 57,205.96 × 15,660.12
  4. Step 4: Simplify right side
    38,137.08x = 895,852,159.16
  5. Step 5: Solve for x
    x = 895,852,159.16/38,137.08
  6. Step 6: Final answer
    x = 23,490.32

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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.