Home / 16,662.07-22,993.60-9,108.40

Finding the Fourth Proportional to 16,662.07, 22,993.60 and 9,108.40

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Solution

The fourth proportional to 16,662.07, 22,993.60 and 9,108.40 is: 12,569.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,662.07 : 22,993.60 = 9,108.40 : x
  2. Step 2: Convert to fraction form
    16,662.07/22,993.60 = 9,108.40/x
  3. Step 3: Cross multiply
    16,662.07x = 22,993.60 × 9,108.40
  4. Step 4: Simplify right side
    16,662.07x = 209,434,906.24
  5. Step 5: Solve for x
    x = 209,434,906.24/16,662.07
  6. Step 6: Final answer
    x = 12,569.56

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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.