Home / 26,123.40-39,194.70-10,542.60

Finding the Fourth Proportional to 26,123.40, 39,194.70 and 10,542.60

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Solution

The fourth proportional to 26,123.40, 39,194.70 and 10,542.60 is: 15,817.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,123.40 : 39,194.70 = 10,542.60 : x
  2. Step 2: Convert to fraction form
    26,123.40/39,194.70 = 10,542.60/x
  3. Step 3: Cross multiply
    26,123.40x = 39,194.70 × 10,542.60
  4. Step 4: Simplify right side
    26,123.40x = 413,214,044.22
  5. Step 5: Solve for x
    x = 413,214,044.22/26,123.40
  6. Step 6: Final answer
    x = 15,817.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.