Home / 25,665.12-38,481-16,873.32

Finding the Fourth Proportional to 25,665.12, 38,481 and 16,873.32

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Solution

The fourth proportional to 25,665.12, 38,481 and 16,873.32 is: 25,299.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,665.12 : 38,481 = 16,873.32 : x
  2. Step 2: Convert to fraction form
    25,665.12/38,481 = 16,873.32/x
  3. Step 3: Cross multiply
    25,665.12x = 38,481 × 16,873.32
  4. Step 4: Simplify right side
    25,665.12x = 649,302,226.92
  5. Step 5: Solve for x
    x = 649,302,226.92/25,665.12
  6. Step 6: Final answer
    x = 25,299.01

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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.