Home / 19,389.70-26,760.31-11,834.46

Finding the Fourth Proportional to 19,389.70, 26,760.31 and 11,834.46

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Solution

The fourth proportional to 19,389.70, 26,760.31 and 11,834.46 is: 16,333.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.70 : 26,760.31 = 11,834.46 : x
  2. Step 2: Convert to fraction form
    19,389.70/26,760.31 = 11,834.46/x
  3. Step 3: Cross multiply
    19,389.70x = 26,760.31 × 11,834.46
  4. Step 4: Simplify right side
    19,389.70x = 316,693,759.11
  5. Step 5: Solve for x
    x = 316,693,759.11/19,389.70
  6. Step 6: Final answer
    x = 16,333.09

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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.