Home / 26,942.19-37,150.49-18,445.70

Finding the Fourth Proportional to 26,942.19, 37,150.49 and 18,445.70

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Solution

The fourth proportional to 26,942.19, 37,150.49 and 18,445.70 is: 25,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,942.19 : 37,150.49 = 18,445.70 : x
  2. Step 2: Convert to fraction form
    26,942.19/37,150.49 = 18,445.70/x
  3. Step 3: Cross multiply
    26,942.19x = 37,150.49 × 18,445.70
  4. Step 4: Simplify right side
    26,942.19x = 685,266,515.41
  5. Step 5: Solve for x
    x = 685,266,515.41/26,942.19
  6. Step 6: Final answer
    x = 25,434.70

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Double scale
Find fourth proportional to 26,943.19, 37,151.86 and 18,446.70
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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.