Home / 25,542.06-38,313.37-7,775.60

Finding the Fourth Proportional to 25,542.06, 38,313.37 and 7,775.60

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Solution

The fourth proportional to 25,542.06, 38,313.37 and 7,775.60 is: 11,663.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,542.06 : 38,313.37 = 7,775.60 : x
  2. Step 2: Convert to fraction form
    25,542.06/38,313.37 = 7,775.60/x
  3. Step 3: Cross multiply
    25,542.06x = 38,313.37 × 7,775.60
  4. Step 4: Simplify right side
    25,542.06x = 297,909,439.77
  5. Step 5: Solve for x
    x = 297,909,439.77/25,542.06
  6. Step 6: Final answer
    x = 11,663.49

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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.