Home / 25,516.30-35,213.34-15,446.56

Finding the Fourth Proportional to 25,516.30, 35,213.34 and 15,446.56

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Solution

The fourth proportional to 25,516.30, 35,213.34 and 15,446.56 is: 21,316.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,516.30 : 35,213.34 = 15,446.56 : x
  2. Step 2: Convert to fraction form
    25,516.30/35,213.34 = 15,446.56/x
  3. Step 3: Cross multiply
    25,516.30x = 35,213.34 × 15,446.56
  4. Step 4: Simplify right side
    25,516.30x = 543,924,969.11
  5. Step 5: Solve for x
    x = 543,924,969.11/25,516.30
  6. Step 6: Final answer
    x = 21,316.76

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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.