Home / 20,526.89-30,713.44-14,617.43

Finding the Fourth Proportional to 20,526.89, 30,713.44 and 14,617.43

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Solution

The fourth proportional to 20,526.89, 30,713.44 and 14,617.43 is: 21,871.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.89 : 30,713.44 = 14,617.43 : x
  2. Step 2: Convert to fraction form
    20,526.89/30,713.44 = 14,617.43/x
  3. Step 3: Cross multiply
    20,526.89x = 30,713.44 × 14,617.43
  4. Step 4: Simplify right side
    20,526.89x = 448,951,369.15
  5. Step 5: Solve for x
    x = 448,951,369.15/20,526.89
  6. Step 6: Final answer
    x = 21,871.38

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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.