Home / 16,922.13-25,376.21-6,390.36

Finding the Fourth Proportional to 16,922.13, 25,376.21 and 6,390.36

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Solution

The fourth proportional to 16,922.13, 25,376.21 and 6,390.36 is: 9,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,922.13 : 25,376.21 = 6,390.36 : x
  2. Step 2: Convert to fraction form
    16,922.13/25,376.21 = 6,390.36/x
  3. Step 3: Cross multiply
    16,922.13x = 25,376.21 × 6,390.36
  4. Step 4: Simplify right side
    16,922.13x = 162,163,117.34
  5. Step 5: Solve for x
    x = 162,163,117.34/16,922.13
  6. Step 6: Final answer
    x = 9,582.90

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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.