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Finding the Fourth Proportional to 16,632.54, 22,956.18 and 9,914.79

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Solution

The fourth proportional to 16,632.54, 22,956.18 and 9,914.79 is: 13,684.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,632.54 : 22,956.18 = 9,914.79 : x
  2. Step 2: Convert to fraction form
    16,632.54/22,956.18 = 9,914.79/x
  3. Step 3: Cross multiply
    16,632.54x = 22,956.18 × 9,914.79
  4. Step 4: Simplify right side
    16,632.54x = 227,605,703.90
  5. Step 5: Solve for x
    x = 227,605,703.90/16,632.54
  6. Step 6: Final answer
    x = 13,684.36

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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.