Home / 13,092.97-18,068.15-8,623.21

Finding the Fourth Proportional to 13,092.97, 18,068.15 and 8,623.21

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Solution

The fourth proportional to 13,092.97, 18,068.15 and 8,623.21 is: 11,899.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.97 : 18,068.15 = 8,623.21 : x
  2. Step 2: Convert to fraction form
    13,092.97/18,068.15 = 8,623.21/x
  3. Step 3: Cross multiply
    13,092.97x = 18,068.15 × 8,623.21
  4. Step 4: Simplify right side
    13,092.97x = 155,805,408.65
  5. Step 5: Solve for x
    x = 155,805,408.65/13,092.97
  6. Step 6: Final answer
    x = 11,899.93

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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.