Home / 14,046.88-19,385.10-7,759.12

Finding the Fourth Proportional to 14,046.88, 19,385.10 and 7,759.12

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Solution

The fourth proportional to 14,046.88, 19,385.10 and 7,759.12 is: 10,707.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,046.88 : 19,385.10 = 7,759.12 : x
  2. Step 2: Convert to fraction form
    14,046.88/19,385.10 = 7,759.12/x
  3. Step 3: Cross multiply
    14,046.88x = 19,385.10 × 7,759.12
  4. Step 4: Simplify right side
    14,046.88x = 150,411,317.11
  5. Step 5: Solve for x
    x = 150,411,317.11/14,046.88
  6. Step 6: Final answer
    x = 10,707.81

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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.