Home / 25,899.55-38,845.47-7,177.63

Finding the Fourth Proportional to 25,899.55, 38,845.47 and 7,177.63

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Solution

The fourth proportional to 25,899.55, 38,845.47 and 7,177.63 is: 10,765.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,899.55 : 38,845.47 = 7,177.63 : x
  2. Step 2: Convert to fraction form
    25,899.55/38,845.47 = 7,177.63/x
  3. Step 3: Cross multiply
    25,899.55x = 38,845.47 × 7,177.63
  4. Step 4: Simplify right side
    25,899.55x = 278,818,313.72
  5. Step 5: Solve for x
    x = 278,818,313.72/25,899.55
  6. Step 6: Final answer
    x = 10,765.37

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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.