Home / 17,378.40-25,986.96-16,502.88

Finding the Fourth Proportional to 17,378.40, 25,986.96 and 16,502.88

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Solution

The fourth proportional to 17,378.40, 25,986.96 and 16,502.88 is: 24,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,378.40 : 25,986.96 = 16,502.88 : x
  2. Step 2: Convert to fraction form
    17,378.40/25,986.96 = 16,502.88/x
  3. Step 3: Cross multiply
    17,378.40x = 25,986.96 × 16,502.88
  4. Step 4: Simplify right side
    17,378.40x = 428,859,682.44
  5. Step 5: Solve for x
    x = 428,859,682.44/17,378.40
  6. Step 6: Final answer
    x = 24,677.74

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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.