Home / 38,506.72-57,765.56-11,854.93

Finding the Fourth Proportional to 38,506.72, 57,765.56 and 11,854.93

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Solution

The fourth proportional to 38,506.72, 57,765.56 and 11,854.93 is: 17,784.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,506.72 : 57,765.56 = 11,854.93 : x
  2. Step 2: Convert to fraction form
    38,506.72/57,765.56 = 11,854.93/x
  3. Step 3: Cross multiply
    38,506.72x = 57,765.56 × 11,854.93
  4. Step 4: Simplify right side
    38,506.72x = 684,806,670.21
  5. Step 5: Solve for x
    x = 684,806,670.21/38,506.72
  6. Step 6: Final answer
    x = 17,784.08

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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.