Home / 25,975.11-38,952.95-20,493.03

Finding the Fourth Proportional to 25,975.11, 38,952.95 and 20,493.03

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Solution

The fourth proportional to 25,975.11, 38,952.95 and 20,493.03 is: 30,731.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,975.11 : 38,952.95 = 20,493.03 : x
  2. Step 2: Convert to fraction form
    25,975.11/38,952.95 = 20,493.03/x
  3. Step 3: Cross multiply
    25,975.11x = 38,952.95 × 20,493.03
  4. Step 4: Simplify right side
    25,975.11x = 798,263,870.47
  5. Step 5: Solve for x
    x = 798,263,870.47/25,975.11
  6. Step 6: Final answer
    x = 30,731.88

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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.