Home / 14,102.26-21,135.11-10,564.38

Finding the Fourth Proportional to 14,102.26, 21,135.11 and 10,564.38

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Solution

The fourth proportional to 14,102.26, 21,135.11 and 10,564.38 is: 15,832.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.26 : 21,135.11 = 10,564.38 : x
  2. Step 2: Convert to fraction form
    14,102.26/21,135.11 = 10,564.38/x
  3. Step 3: Cross multiply
    14,102.26x = 21,135.11 × 10,564.38
  4. Step 4: Simplify right side
    14,102.26x = 223,279,280.56
  5. Step 5: Solve for x
    x = 223,279,280.56/14,102.26
  6. Step 6: Final answer
    x = 15,832.88

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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.