Home / 25,725.11-38,589.16-9,930.23

Finding the Fourth Proportional to 25,725.11, 38,589.16 and 9,930.23

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Solution

The fourth proportional to 25,725.11, 38,589.16 and 9,930.23 is: 14,895.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,725.11 : 38,589.16 = 9,930.23 : x
  2. Step 2: Convert to fraction form
    25,725.11/38,589.16 = 9,930.23/x
  3. Step 3: Cross multiply
    25,725.11x = 38,589.16 × 9,930.23
  4. Step 4: Simplify right side
    25,725.11x = 383,199,234.31
  5. Step 5: Solve for x
    x = 383,199,234.31/25,725.11
  6. Step 6: Final answer
    x = 14,895.92

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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.