Home / 20,245.34-27,926.31-13,064.01

Finding the Fourth Proportional to 20,245.34, 27,926.31 and 13,064.01

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Solution

The fourth proportional to 20,245.34, 27,926.31 and 13,064.01 is: 18,020.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,245.34 : 27,926.31 = 13,064.01 : x
  2. Step 2: Convert to fraction form
    20,245.34/27,926.31 = 13,064.01/x
  3. Step 3: Cross multiply
    20,245.34x = 27,926.31 × 13,064.01
  4. Step 4: Simplify right side
    20,245.34x = 364,829,593.10
  5. Step 5: Solve for x
    x = 364,829,593.10/20,245.34
  6. Step 6: Final answer
    x = 18,020.43

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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.