Home / 16,711.70-23,021.31-14,313.83

Finding the Fourth Proportional to 16,711.70, 23,021.31 and 14,313.83

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Solution

The fourth proportional to 16,711.70, 23,021.31 and 14,313.83 is: 19,718.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,711.70 : 23,021.31 = 14,313.83 : x
  2. Step 2: Convert to fraction form
    16,711.70/23,021.31 = 14,313.83/x
  3. Step 3: Cross multiply
    16,711.70x = 23,021.31 × 14,313.83
  4. Step 4: Simplify right side
    16,711.70x = 329,523,002.61
  5. Step 5: Solve for x
    x = 329,523,002.61/16,711.70
  6. Step 6: Final answer
    x = 19,718.11

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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.