Home / 16,862.81-25,295.45-6,474.56

Finding the Fourth Proportional to 16,862.81, 25,295.45 and 6,474.56

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Solution

The fourth proportional to 16,862.81, 25,295.45 and 6,474.56 is: 9,712.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,862.81 : 25,295.45 = 6,474.56 : x
  2. Step 2: Convert to fraction form
    16,862.81/25,295.45 = 6,474.56/x
  3. Step 3: Cross multiply
    16,862.81x = 25,295.45 × 6,474.56
  4. Step 4: Simplify right side
    16,862.81x = 163,776,939.62
  5. Step 5: Solve for x
    x = 163,776,939.62/16,862.81
  6. Step 6: Final answer
    x = 9,712.31

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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.