Home / 27,491.43-37,916.46-18,996.69

Finding the Fourth Proportional to 27,491.43, 37,916.46 and 18,996.69

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Solution

The fourth proportional to 27,491.43, 37,916.46 and 18,996.69 is: 26,200.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,491.43 : 37,916.46 = 18,996.69 : x
  2. Step 2: Convert to fraction form
    27,491.43/37,916.46 = 18,996.69/x
  3. Step 3: Cross multiply
    27,491.43x = 37,916.46 × 18,996.69
  4. Step 4: Simplify right side
    27,491.43x = 720,287,236.52
  5. Step 5: Solve for x
    x = 720,287,236.52/27,491.43
  6. Step 6: Final answer
    x = 26,200.43

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Double scale
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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.