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Finding the Fourth Proportional to 16,326.86, 22,531.04 and 9,253.28

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Solution

The fourth proportional to 16,326.86, 22,531.04 and 9,253.28 is: 12,769.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,326.86 : 22,531.04 = 9,253.28 : x
  2. Step 2: Convert to fraction form
    16,326.86/22,531.04 = 9,253.28/x
  3. Step 3: Cross multiply
    16,326.86x = 22,531.04 × 9,253.28
  4. Step 4: Simplify right side
    16,326.86x = 208,486,021.81
  5. Step 5: Solve for x
    x = 208,486,021.81/16,326.86
  6. Step 6: Final answer
    x = 12,769.51

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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.