Home / 16,898.05-23,318.31-9,343.79

Finding the Fourth Proportional to 16,898.05, 23,318.31 and 9,343.79

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Solution

The fourth proportional to 16,898.05, 23,318.31 and 9,343.79 is: 12,893.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,898.05 : 23,318.31 = 9,343.79 : x
  2. Step 2: Convert to fraction form
    16,898.05/23,318.31 = 9,343.79/x
  3. Step 3: Cross multiply
    16,898.05x = 23,318.31 × 9,343.79
  4. Step 4: Simplify right side
    16,898.05x = 217,881,391.79
  5. Step 5: Solve for x
    x = 217,881,391.79/16,898.05
  6. Step 6: Final answer
    x = 12,893.88

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1.5x scale

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.