Home / 25,265.16-37,879.56-11,930.76

Finding the Fourth Proportional to 25,265.16, 37,879.56 and 11,930.76

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Solution

The fourth proportional to 25,265.16, 37,879.56 and 11,930.76 is: 17,887.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,265.16 : 37,879.56 = 11,930.76 : x
  2. Step 2: Convert to fraction form
    25,265.16/37,879.56 = 11,930.76/x
  3. Step 3: Cross multiply
    25,265.16x = 37,879.56 × 11,930.76
  4. Step 4: Simplify right side
    25,265.16x = 451,931,939.27
  5. Step 5: Solve for x
    x = 451,931,939.27/25,265.16
  6. Step 6: Final answer
    x = 17,887.56

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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.