Home / 16,677.38-23,014.79-10,389.75

Finding the Fourth Proportional to 16,677.38, 23,014.79 and 10,389.75

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Solution

The fourth proportional to 16,677.38, 23,014.79 and 10,389.75 is: 14,337.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,677.38 : 23,014.79 = 10,389.75 : x
  2. Step 2: Convert to fraction form
    16,677.38/23,014.79 = 10,389.75/x
  3. Step 3: Cross multiply
    16,677.38x = 23,014.79 × 10,389.75
  4. Step 4: Simplify right side
    16,677.38x = 239,117,862.45
  5. Step 5: Solve for x
    x = 239,117,862.45/16,677.38
  6. Step 6: Final answer
    x = 14,337.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.