Home / 15,592.64-21,516.72-8,517.56

Finding the Fourth Proportional to 15,592.64, 21,516.72 and 8,517.56

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Solution

The fourth proportional to 15,592.64, 21,516.72 and 8,517.56 is: 11,753.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,592.64 : 21,516.72 = 8,517.56 : x
  2. Step 2: Convert to fraction form
    15,592.64/21,516.72 = 8,517.56/x
  3. Step 3: Cross multiply
    15,592.64x = 21,516.72 × 8,517.56
  4. Step 4: Simplify right side
    15,592.64x = 183,269,953.60
  5. Step 5: Solve for x
    x = 183,269,953.60/15,592.64
  6. Step 6: Final answer
    x = 11,753.62

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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.