Home / 25,676.93-38,488.96-12,513.01

Finding the Fourth Proportional to 25,676.93, 38,488.96 and 12,513.01

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Solution

The fourth proportional to 25,676.93, 38,488.96 and 12,513.01 is: 18,756.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,676.93 : 38,488.96 = 12,513.01 : x
  2. Step 2: Convert to fraction form
    25,676.93/38,488.96 = 12,513.01/x
  3. Step 3: Cross multiply
    25,676.93x = 38,488.96 × 12,513.01
  4. Step 4: Simplify right side
    25,676.93x = 481,612,548.92
  5. Step 5: Solve for x
    x = 481,612,548.92/25,676.93
  6. Step 6: Final answer
    x = 18,756.63

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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.