Home / 13,951.30-19,256.11-7,986.41

Finding the Fourth Proportional to 13,951.30, 19,256.11 and 7,986.41

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Solution

The fourth proportional to 13,951.30, 19,256.11 and 7,986.41 is: 11,023.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.30 : 19,256.11 = 7,986.41 : x
  2. Step 2: Convert to fraction form
    13,951.30/19,256.11 = 7,986.41/x
  3. Step 3: Cross multiply
    13,951.30x = 19,256.11 × 7,986.41
  4. Step 4: Simplify right side
    13,951.30x = 153,787,189.47
  5. Step 5: Solve for x
    x = 153,787,189.47/13,951.30
  6. Step 6: Final answer
    x = 11,023.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.