Home / 13,092.65-17,950.05-12,855.72

Finding the Fourth Proportional to 13,092.65, 17,950.05 and 12,855.72

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Solution

The fourth proportional to 13,092.65, 17,950.05 and 12,855.72 is: 17,625.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.65 : 17,950.05 = 12,855.72 : x
  2. Step 2: Convert to fraction form
    13,092.65/17,950.05 = 12,855.72/x
  3. Step 3: Cross multiply
    13,092.65x = 17,950.05 × 12,855.72
  4. Step 4: Simplify right side
    13,092.65x = 230,760,816.79
  5. Step 5: Solve for x
    x = 230,760,816.79/13,092.65
  6. Step 6: Final answer
    x = 17,625.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.