Home / 23,286.23-34,909.75-10,128.69

Finding the Fourth Proportional to 23,286.23, 34,909.75 and 10,128.69

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Solution

The fourth proportional to 23,286.23, 34,909.75 and 10,128.69 is: 15,184.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,286.23 : 34,909.75 = 10,128.69 : x
  2. Step 2: Convert to fraction form
    23,286.23/34,909.75 = 10,128.69/x
  3. Step 3: Cross multiply
    23,286.23x = 34,909.75 × 10,128.69
  4. Step 4: Simplify right side
    23,286.23x = 353,590,010.41
  5. Step 5: Solve for x
    x = 353,590,010.41/23,286.23
  6. Step 6: Final answer
    x = 15,184.51

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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.