Home / 38,782.64-58,174.18-13,823.66

Finding the Fourth Proportional to 38,782.64, 58,174.18 and 13,823.66

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Solution

The fourth proportional to 38,782.64, 58,174.18 and 13,823.66 is: 20,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,782.64 : 58,174.18 = 13,823.66 : x
  2. Step 2: Convert to fraction form
    38,782.64/58,174.18 = 13,823.66/x
  3. Step 3: Cross multiply
    38,782.64x = 58,174.18 × 13,823.66
  4. Step 4: Simplify right side
    38,782.64x = 804,180,085.10
  5. Step 5: Solve for x
    x = 804,180,085.10/38,782.64
  6. Step 6: Final answer
    x = 20,735.57

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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.