Home / 25,259.20-37,910.40-11,240.80

Finding the Fourth Proportional to 25,259.20, 37,910.40 and 11,240.80

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Solution

The fourth proportional to 25,259.20, 37,910.40 and 11,240.80 is: 16,870.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,259.20 : 37,910.40 = 11,240.80 : x
  2. Step 2: Convert to fraction form
    25,259.20/37,910.40 = 11,240.80/x
  3. Step 3: Cross multiply
    25,259.20x = 37,910.40 × 11,240.80
  4. Step 4: Simplify right side
    25,259.20x = 426,143,224.32
  5. Step 5: Solve for x
    x = 426,143,224.32/25,259.20
  6. Step 6: Final answer
    x = 16,870.81

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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.