Home / 13,083.79-19,634.33-7,814.92

Finding the Fourth Proportional to 13,083.79, 19,634.33 and 7,814.92

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Solution

The fourth proportional to 13,083.79, 19,634.33 and 7,814.92 is: 11,727.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083.79 : 19,634.33 = 7,814.92 : x
  2. Step 2: Convert to fraction form
    13,083.79/19,634.33 = 7,814.92/x
  3. Step 3: Cross multiply
    13,083.79x = 19,634.33 × 7,814.92
  4. Step 4: Simplify right side
    13,083.79x = 153,440,718.20
  5. Step 5: Solve for x
    x = 153,440,718.20/13,083.79
  6. Step 6: Final answer
    x = 11,727.54

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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.