Home / 34,678.76-52,019.62-13,623.36

Finding the Fourth Proportional to 34,678.76, 52,019.62 and 13,623.36

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Solution

The fourth proportional to 34,678.76, 52,019.62 and 13,623.36 is: 20,435.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,678.76 : 52,019.62 = 13,623.36 : x
  2. Step 2: Convert to fraction form
    34,678.76/52,019.62 = 13,623.36/x
  3. Step 3: Cross multiply
    34,678.76x = 52,019.62 × 13,623.36
  4. Step 4: Simplify right side
    34,678.76x = 708,682,010.32
  5. Step 5: Solve for x
    x = 708,682,010.32/34,678.76
  6. Step 6: Final answer
    x = 20,435.62

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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.