Home / 25,550.52-38,331.54-7,782.77

Finding the Fourth Proportional to 25,550.52, 38,331.54 and 7,782.77

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Solution

The fourth proportional to 25,550.52, 38,331.54 and 7,782.77 is: 11,675.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,550.52 : 38,331.54 = 7,782.77 : x
  2. Step 2: Convert to fraction form
    25,550.52/38,331.54 = 7,782.77/x
  3. Step 3: Cross multiply
    25,550.52x = 38,331.54 × 7,782.77
  4. Step 4: Simplify right side
    25,550.52x = 298,325,367.91
  5. Step 5: Solve for x
    x = 298,325,367.91/25,550.52
  6. Step 6: Final answer
    x = 11,675.90

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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.