Home / 25,771.51-38,645.79-12,451.06

Finding the Fourth Proportional to 25,771.51, 38,645.79 and 12,451.06

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Solution

The fourth proportional to 25,771.51, 38,645.79 and 12,451.06 is: 18,671.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,771.51 : 38,645.79 = 12,451.06 : x
  2. Step 2: Convert to fraction form
    25,771.51/38,645.79 = 12,451.06/x
  3. Step 3: Cross multiply
    25,771.51x = 38,645.79 × 12,451.06
  4. Step 4: Simplify right side
    25,771.51x = 481,181,050.04
  5. Step 5: Solve for x
    x = 481,181,050.04/25,771.51
  6. Step 6: Final answer
    x = 18,671.05

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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.