Home / 15,034.82-20,700.50-13,241.07

Finding the Fourth Proportional to 15,034.82, 20,700.50 and 13,241.07

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Solution

The fourth proportional to 15,034.82, 20,700.50 and 13,241.07 is: 18,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,034.82 : 20,700.50 = 13,241.07 : x
  2. Step 2: Convert to fraction form
    15,034.82/20,700.50 = 13,241.07/x
  3. Step 3: Cross multiply
    15,034.82x = 20,700.50 × 13,241.07
  4. Step 4: Simplify right side
    15,034.82x = 274,096,703.33
  5. Step 5: Solve for x
    x = 274,096,703.33/15,034.82
  6. Step 6: Final answer
    x = 18,230.80

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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.