Home / 25,845.87-38,774.69-9,207.66

Finding the Fourth Proportional to 25,845.87, 38,774.69 and 9,207.66

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Solution

The fourth proportional to 25,845.87, 38,774.69 and 9,207.66 is: 13,813.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,845.87 : 38,774.69 = 9,207.66 : x
  2. Step 2: Convert to fraction form
    25,845.87/38,774.69 = 9,207.66/x
  3. Step 3: Cross multiply
    25,845.87x = 38,774.69 × 9,207.66
  4. Step 4: Simplify right side
    25,845.87x = 357,024,116.09
  5. Step 5: Solve for x
    x = 357,024,116.09/25,845.87
  6. Step 6: Final answer
    x = 13,813.58

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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.