Home / 25,151.13-37,729.94-7,617.87

Finding the Fourth Proportional to 25,151.13, 37,729.94 and 7,617.87

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Solution

The fourth proportional to 25,151.13, 37,729.94 and 7,617.87 is: 11,427.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,151.13 : 37,729.94 = 7,617.87 : x
  2. Step 2: Convert to fraction form
    25,151.13/37,729.94 = 7,617.87/x
  3. Step 3: Cross multiply
    25,151.13x = 37,729.94 × 7,617.87
  4. Step 4: Simplify right side
    25,151.13x = 287,421,739.94
  5. Step 5: Solve for x
    x = 287,421,739.94/25,151.13
  6. Step 6: Final answer
    x = 11,427.79

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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.