Home / 16,422.08-22,662.62-9,348.96

Finding the Fourth Proportional to 16,422.08, 22,662.62 and 9,348.96

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Solution

The fourth proportional to 16,422.08, 22,662.62 and 9,348.96 is: 12,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,422.08 : 22,662.62 = 9,348.96 : x
  2. Step 2: Convert to fraction form
    16,422.08/22,662.62 = 9,348.96/x
  3. Step 3: Cross multiply
    16,422.08x = 22,662.62 × 9,348.96
  4. Step 4: Simplify right side
    16,422.08x = 211,871,927.88
  5. Step 5: Solve for x
    x = 211,871,927.88/16,422.08
  6. Step 6: Final answer
    x = 12,901.65

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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.