Home / 38,506.75-57,765.59-11,854.96

Finding the Fourth Proportional to 38,506.75, 57,765.59 and 11,854.96

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Solution

The fourth proportional to 38,506.75, 57,765.59 and 11,854.96 is: 17,784.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,506.75 : 57,765.59 = 11,854.96 : x
  2. Step 2: Convert to fraction form
    38,506.75/57,765.59 = 11,854.96/x
  3. Step 3: Cross multiply
    38,506.75x = 57,765.59 × 11,854.96
  4. Step 4: Simplify right side
    38,506.75x = 684,808,758.83
  5. Step 5: Solve for x
    x = 684,808,758.83/38,506.75
  6. Step 6: Final answer
    x = 17,784.12

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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.