Home / 16,454.12-22,707.30-9,380.36

Finding the Fourth Proportional to 16,454.12, 22,707.30 and 9,380.36

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Solution

The fourth proportional to 16,454.12, 22,707.30 and 9,380.36 is: 12,945.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,454.12 : 22,707.30 = 9,380.36 : x
  2. Step 2: Convert to fraction form
    16,454.12/22,707.30 = 9,380.36/x
  3. Step 3: Cross multiply
    16,454.12x = 22,707.30 × 9,380.36
  4. Step 4: Simplify right side
    16,454.12x = 213,002,648.63
  5. Step 5: Solve for x
    x = 213,002,648.63/16,454.12
  6. Step 6: Final answer
    x = 12,945.25

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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.