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Finding the Fourth Proportional to 16,590.19, 22,892.65 and 9,516.43

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Solution

The fourth proportional to 16,590.19, 22,892.65 and 9,516.43 is: 13,131.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,590.19 : 22,892.65 = 9,516.43 : x
  2. Step 2: Convert to fraction form
    16,590.19/22,892.65 = 9,516.43/x
  3. Step 3: Cross multiply
    16,590.19x = 22,892.65 × 9,516.43
  4. Step 4: Simplify right side
    16,590.19x = 217,856,301.24
  5. Step 5: Solve for x
    x = 217,856,301.24/16,590.19
  6. Step 6: Final answer
    x = 13,131.63

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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.