Home / 14,166.26-21,255.18-9,997.29

Finding the Fourth Proportional to 14,166.26, 21,255.18 and 9,997.29

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Solution

The fourth proportional to 14,166.26, 21,255.18 and 9,997.29 is: 15,000.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,166.26 : 21,255.18 = 9,997.29 : x
  2. Step 2: Convert to fraction form
    14,166.26/21,255.18 = 9,997.29/x
  3. Step 3: Cross multiply
    14,166.26x = 21,255.18 × 9,997.29
  4. Step 4: Simplify right side
    14,166.26x = 212,494,160.97
  5. Step 5: Solve for x
    x = 212,494,160.97/14,166.26
  6. Step 6: Final answer
    x = 15,000.02

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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.