Home / 25,240.12-37,883.62-12,768.96

Finding the Fourth Proportional to 25,240.12, 37,883.62 and 12,768.96

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Solution

The fourth proportional to 25,240.12, 37,883.62 and 12,768.96 is: 19,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,240.12 : 37,883.62 = 12,768.96 : x
  2. Step 2: Convert to fraction form
    25,240.12/37,883.62 = 12,768.96/x
  3. Step 3: Cross multiply
    25,240.12x = 37,883.62 × 12,768.96
  4. Step 4: Simplify right side
    25,240.12x = 483,734,428.44
  5. Step 5: Solve for x
    x = 483,734,428.44/25,240.12
  6. Step 6: Final answer
    x = 19,165.30

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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.