Home / 17,370.42-23,955.21-11,709.78

Finding the Fourth Proportional to 17,370.42, 23,955.21 and 11,709.78

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Solution

The fourth proportional to 17,370.42, 23,955.21 and 11,709.78 is: 16,148.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,370.42 : 23,955.21 = 11,709.78 : x
  2. Step 2: Convert to fraction form
    17,370.42/23,955.21 = 11,709.78/x
  3. Step 3: Cross multiply
    17,370.42x = 23,955.21 × 11,709.78
  4. Step 4: Simplify right side
    17,370.42x = 280,510,238.95
  5. Step 5: Solve for x
    x = 280,510,238.95/17,370.42
  6. Step 6: Final answer
    x = 16,148.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.