Home / 13,934.90-19,230.20-7,966.73

Finding the Fourth Proportional to 13,934.90, 19,230.20 and 7,966.73

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Solution

The fourth proportional to 13,934.90, 19,230.20 and 7,966.73 is: 10,994.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.90 : 19,230.20 = 7,966.73 : x
  2. Step 2: Convert to fraction form
    13,934.90/19,230.20 = 7,966.73/x
  3. Step 3: Cross multiply
    13,934.90x = 19,230.20 × 7,966.73
  4. Step 4: Simplify right side
    13,934.90x = 153,201,771.41
  5. Step 5: Solve for x
    x = 153,201,771.41/13,934.90
  6. Step 6: Final answer
    x = 10,994.11

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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.