Home / 25,756.20-38,624.22-9,109.80

Finding the Fourth Proportional to 25,756.20, 38,624.22 and 9,109.80

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Solution

The fourth proportional to 25,756.20, 38,624.22 and 9,109.80 is: 13,661.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,756.20 : 38,624.22 = 9,109.80 : x
  2. Step 2: Convert to fraction form
    25,756.20/38,624.22 = 9,109.80/x
  3. Step 3: Cross multiply
    25,756.20x = 38,624.22 × 9,109.80
  4. Step 4: Simplify right side
    25,756.20x = 351,858,919.36
  5. Step 5: Solve for x
    x = 351,858,919.36/25,756.20
  6. Step 6: Final answer
    x = 13,661.13

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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.