Home / 26,189.70-39,285.89-7,472.48

Finding the Fourth Proportional to 26,189.70, 39,285.89 and 7,472.48

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Solution

The fourth proportional to 26,189.70, 39,285.89 and 7,472.48 is: 11,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,189.70 : 39,285.89 = 7,472.48 : x
  2. Step 2: Convert to fraction form
    26,189.70/39,285.89 = 7,472.48/x
  3. Step 3: Cross multiply
    26,189.70x = 39,285.89 × 7,472.48
  4. Step 4: Simplify right side
    26,189.70x = 293,562,911.01
  5. Step 5: Solve for x
    x = 293,562,911.01/26,189.70
  6. Step 6: Final answer
    x = 11,209.10

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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.