Home / 25,717.59-38,579.49-9,074.21

Finding the Fourth Proportional to 25,717.59, 38,579.49 and 9,074.21

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Solution

The fourth proportional to 25,717.59, 38,579.49 and 9,074.21 is: 13,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,717.59 : 38,579.49 = 9,074.21 : x
  2. Step 2: Convert to fraction form
    25,717.59/38,579.49 = 9,074.21/x
  3. Step 3: Cross multiply
    25,717.59x = 38,579.49 × 9,074.21
  4. Step 4: Simplify right side
    25,717.59x = 350,078,201.06
  5. Step 5: Solve for x
    x = 350,078,201.06/25,717.59
  6. Step 6: Final answer
    x = 13,612.40

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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.