Home / 16,628.94-22,945.32-9,909.96

Finding the Fourth Proportional to 16,628.94, 22,945.32 and 9,909.96

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Solution

The fourth proportional to 16,628.94, 22,945.32 and 9,909.96 is: 13,674.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,628.94 : 22,945.32 = 9,909.96 : x
  2. Step 2: Convert to fraction form
    16,628.94/22,945.32 = 9,909.96/x
  3. Step 3: Cross multiply
    16,628.94x = 22,945.32 × 9,909.96
  4. Step 4: Simplify right side
    16,628.94x = 227,387,203.39
  5. Step 5: Solve for x
    x = 227,387,203.39/16,628.94
  6. Step 6: Final answer
    x = 13,674.19

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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.