Home / 38,181.64-57,258.73-13,214.91

Finding the Fourth Proportional to 38,181.64, 57,258.73 and 13,214.91

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Solution

The fourth proportional to 38,181.64, 57,258.73 and 13,214.91 is: 19,817.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,181.64 : 57,258.73 = 13,214.91 : x
  2. Step 2: Convert to fraction form
    38,181.64/57,258.73 = 13,214.91/x
  3. Step 3: Cross multiply
    38,181.64x = 57,258.73 × 13,214.91
  4. Step 4: Simplify right side
    38,181.64x = 756,668,963.66
  5. Step 5: Solve for x
    x = 756,668,963.66/38,181.64
  6. Step 6: Final answer
    x = 19,817.61

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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.