Home / 14,346.17-21,375.06-13,540.43

Finding the Fourth Proportional to 14,346.17, 21,375.06 and 13,540.43

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Solution

The fourth proportional to 14,346.17, 21,375.06 and 13,540.43 is: 20,174.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346.17 : 21,375.06 = 13,540.43 : x
  2. Step 2: Convert to fraction form
    14,346.17/21,375.06 = 13,540.43/x
  3. Step 3: Cross multiply
    14,346.17x = 21,375.06 × 13,540.43
  4. Step 4: Simplify right side
    14,346.17x = 289,427,503.68
  5. Step 5: Solve for x
    x = 289,427,503.68/14,346.17
  6. Step 6: Final answer
    x = 20,174.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.