Home / 22,134.50-30,516.26-17,880.78

Finding the Fourth Proportional to 22,134.50, 30,516.26 and 17,880.78

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Solution

The fourth proportional to 22,134.50, 30,516.26 and 17,880.78 is: 24,651.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,134.50 : 30,516.26 = 17,880.78 : x
  2. Step 2: Convert to fraction form
    22,134.50/30,516.26 = 17,880.78/x
  3. Step 3: Cross multiply
    22,134.50x = 30,516.26 × 17,880.78
  4. Step 4: Simplify right side
    22,134.50x = 545,654,442.08
  5. Step 5: Solve for x
    x = 545,654,442.08/22,134.50
  6. Step 6: Final answer
    x = 24,651.77

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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.