Home / 25,786.90-38,682.36-10,995.91

Finding the Fourth Proportional to 25,786.90, 38,682.36 and 10,995.91

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Solution

The fourth proportional to 25,786.90, 38,682.36 and 10,995.91 is: 16,494.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,786.90 : 38,682.36 = 10,995.91 : x
  2. Step 2: Convert to fraction form
    25,786.90/38,682.36 = 10,995.91/x
  3. Step 3: Cross multiply
    25,786.90x = 38,682.36 × 10,995.91
  4. Step 4: Simplify right side
    25,786.90x = 425,347,749.15
  5. Step 5: Solve for x
    x = 425,347,749.15/25,786.90
  6. Step 6: Final answer
    x = 16,494.72

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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.