Home / 25,422.88-38,144.80-11,184.04

Finding the Fourth Proportional to 25,422.88, 38,144.80 and 11,184.04

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Solution

The fourth proportional to 25,422.88, 38,144.80 and 11,184.04 is: 16,780.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,422.88 : 38,144.80 = 11,184.04 : x
  2. Step 2: Convert to fraction form
    25,422.88/38,144.80 = 11,184.04/x
  3. Step 3: Cross multiply
    25,422.88x = 38,144.80 × 11,184.04
  4. Step 4: Simplify right side
    25,422.88x = 426,612,968.99
  5. Step 5: Solve for x
    x = 426,612,968.99/25,422.88
  6. Step 6: Final answer
    x = 16,780.67

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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.