Home / 25,115.08-37,672.34-6,139.88

Finding the Fourth Proportional to 25,115.08, 37,672.34 and 6,139.88

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Solution

The fourth proportional to 25,115.08, 37,672.34 and 6,139.88 is: 9,209.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,115.08 : 37,672.34 = 6,139.88 : x
  2. Step 2: Convert to fraction form
    25,115.08/37,672.34 = 6,139.88/x
  3. Step 3: Cross multiply
    25,115.08x = 37,672.34 × 6,139.88
  4. Step 4: Simplify right side
    25,115.08x = 231,303,646.92
  5. Step 5: Solve for x
    x = 231,303,646.92/25,115.08
  6. Step 6: Final answer
    x = 9,209.75

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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.