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Finding the Fourth Proportional to 16,326.14, 22,530.08 and 9,615.93

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Solution

The fourth proportional to 16,326.14, 22,530.08 and 9,615.93 is: 13,269.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,326.14 : 22,530.08 = 9,615.93 : x
  2. Step 2: Convert to fraction form
    16,326.14/22,530.08 = 9,615.93/x
  3. Step 3: Cross multiply
    16,326.14x = 22,530.08 × 9,615.93
  4. Step 4: Simplify right side
    16,326.14x = 216,647,738.46
  5. Step 5: Solve for x
    x = 216,647,738.46/16,326.14
  6. Step 6: Final answer
    x = 13,269.99

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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.