Home / 25,453.28-38,191.26-9,872.12

Finding the Fourth Proportional to 25,453.28, 38,191.26 and 9,872.12

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Solution

The fourth proportional to 25,453.28, 38,191.26 and 9,872.12 is: 14,812.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,453.28 : 38,191.26 = 9,872.12 : x
  2. Step 2: Convert to fraction form
    25,453.28/38,191.26 = 9,872.12/x
  3. Step 3: Cross multiply
    25,453.28x = 38,191.26 × 9,872.12
  4. Step 4: Simplify right side
    25,453.28x = 377,028,701.67
  5. Step 5: Solve for x
    x = 377,028,701.67/25,453.28
  6. Step 6: Final answer
    x = 14,812.58

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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.