Home / 38,409.46-57,622.65-11,755.66

Finding the Fourth Proportional to 38,409.46, 57,622.65 and 11,755.66

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Solution

The fourth proportional to 38,409.46, 57,622.65 and 11,755.66 is: 17,636.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,409.46 : 57,622.65 = 11,755.66 : x
  2. Step 2: Convert to fraction form
    38,409.46/57,622.65 = 11,755.66/x
  3. Step 3: Cross multiply
    38,409.46x = 57,622.65 × 11,755.66
  4. Step 4: Simplify right side
    38,409.46x = 677,392,281.70
  5. Step 5: Solve for x
    x = 677,392,281.70/38,409.46
  6. Step 6: Final answer
    x = 17,636.08

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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.