Home / 25,817.36-35,623.56-15,207.44

Finding the Fourth Proportional to 25,817.36, 35,623.56 and 15,207.44

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Solution

The fourth proportional to 25,817.36, 35,623.56 and 15,207.44 is: 20,983.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,817.36 : 35,623.56 = 15,207.44 : x
  2. Step 2: Convert to fraction form
    25,817.36/35,623.56 = 15,207.44/x
  3. Step 3: Cross multiply
    25,817.36x = 35,623.56 × 15,207.44
  4. Step 4: Simplify right side
    25,817.36x = 541,743,151.29
  5. Step 5: Solve for x
    x = 541,743,151.29/25,817.36
  6. Step 6: Final answer
    x = 20,983.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.