Home / 14,455.80-19,933.20-9,410.70

Finding the Fourth Proportional to 14,455.80, 19,933.20 and 9,410.70

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Solution

The fourth proportional to 14,455.80, 19,933.20 and 9,410.70 is: 12,976.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455.80 : 19,933.20 = 9,410.70 : x
  2. Step 2: Convert to fraction form
    14,455.80/19,933.20 = 9,410.70/x
  3. Step 3: Cross multiply
    14,455.80x = 19,933.20 × 9,410.70
  4. Step 4: Simplify right side
    14,455.80x = 187,585,365.24
  5. Step 5: Solve for x
    x = 187,585,365.24/14,455.80
  6. Step 6: Final answer
    x = 12,976.48

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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.