Home / 25,974.61-38,952.19-20,492.53

Finding the Fourth Proportional to 25,974.61, 38,952.19 and 20,492.53

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Solution

The fourth proportional to 25,974.61, 38,952.19 and 20,492.53 is: 30,731.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,974.61 : 38,952.19 = 20,492.53 : x
  2. Step 2: Convert to fraction form
    25,974.61/38,952.19 = 20,492.53/x
  3. Step 3: Cross multiply
    25,974.61x = 38,952.19 × 20,492.53
  4. Step 4: Simplify right side
    25,974.61x = 798,228,922.14
  5. Step 5: Solve for x
    x = 798,228,922.14/25,974.61
  6. Step 6: Final answer
    x = 30,731.12

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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.