Home / 25,725.23-38,589.34-9,930.35

Finding the Fourth Proportional to 25,725.23, 38,589.34 and 9,930.35

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Solution

The fourth proportional to 25,725.23, 38,589.34 and 9,930.35 is: 14,896.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,725.23 : 38,589.34 = 9,930.35 : x
  2. Step 2: Convert to fraction form
    25,725.23/38,589.34 = 9,930.35/x
  3. Step 3: Cross multiply
    25,725.23x = 38,589.34 × 9,930.35
  4. Step 4: Simplify right side
    25,725.23x = 383,205,652.47
  5. Step 5: Solve for x
    x = 383,205,652.47/25,725.23
  6. Step 6: Final answer
    x = 14,896.10

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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.