Home / 25,243.12-37,888.12-12,771.96

Finding the Fourth Proportional to 25,243.12, 37,888.12 and 12,771.96

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Solution

The fourth proportional to 25,243.12, 37,888.12 and 12,771.96 is: 19,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,243.12 : 37,888.12 = 12,771.96 : x
  2. Step 2: Convert to fraction form
    25,243.12/37,888.12 = 12,771.96/x
  3. Step 3: Cross multiply
    25,243.12x = 37,888.12 × 12,771.96
  4. Step 4: Simplify right side
    25,243.12x = 483,905,553.12
  5. Step 5: Solve for x
    x = 483,905,553.12/25,243.12
  6. Step 6: Final answer
    x = 19,169.80

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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.