Home / 23,305.07-34,929.86-13,423.88

Finding the Fourth Proportional to 23,305.07, 34,929.86 and 13,423.88

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Solution

The fourth proportional to 23,305.07, 34,929.86 and 13,423.88 is: 20,119.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,305.07 : 34,929.86 = 13,423.88 : x
  2. Step 2: Convert to fraction form
    23,305.07/34,929.86 = 13,423.88/x
  3. Step 3: Cross multiply
    23,305.07x = 34,929.86 × 13,423.88
  4. Step 4: Simplify right side
    23,305.07x = 468,894,007.29
  5. Step 5: Solve for x
    x = 468,894,007.29/23,305.07
  6. Step 6: Final answer
    x = 20,119.83

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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.