Home / 25,845.25-38,767.88-17,078.12

Finding the Fourth Proportional to 25,845.25, 38,767.88 and 17,078.12

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Solution

The fourth proportional to 25,845.25, 38,767.88 and 17,078.12 is: 25,617.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,845.25 : 38,767.88 = 17,078.12 : x
  2. Step 2: Convert to fraction form
    25,845.25/38,767.88 = 17,078.12/x
  3. Step 3: Cross multiply
    25,845.25x = 38,767.88 × 17,078.12
  4. Step 4: Simplify right side
    25,845.25x = 662,082,506.79
  5. Step 5: Solve for x
    x = 662,082,506.79/25,845.25
  6. Step 6: Final answer
    x = 25,617.18

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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.