Home / 34,815.07-52,222.54-12,628.40

Finding the Fourth Proportional to 34,815.07, 52,222.54 and 12,628.40

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Solution

The fourth proportional to 34,815.07, 52,222.54 and 12,628.40 is: 18,942.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,815.07 : 52,222.54 = 12,628.40 : x
  2. Step 2: Convert to fraction form
    34,815.07/52,222.54 = 12,628.40/x
  3. Step 3: Cross multiply
    34,815.07x = 52,222.54 × 12,628.40
  4. Step 4: Simplify right side
    34,815.07x = 659,487,124.14
  5. Step 5: Solve for x
    x = 659,487,124.14/34,815.07
  6. Step 6: Final answer
    x = 18,942.58

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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.