Home / 17,685.91-24,405.87-9,727.66

Finding the Fourth Proportional to 17,685.91, 24,405.87 and 9,727.66

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Solution

The fourth proportional to 17,685.91, 24,405.87 and 9,727.66 is: 13,423.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,685.91 : 24,405.87 = 9,727.66 : x
  2. Step 2: Convert to fraction form
    17,685.91/24,405.87 = 9,727.66/x
  3. Step 3: Cross multiply
    17,685.91x = 24,405.87 × 9,727.66
  4. Step 4: Simplify right side
    17,685.91x = 237,412,005.36
  5. Step 5: Solve for x
    x = 237,412,005.36/17,685.91
  6. Step 6: Final answer
    x = 13,423.79

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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.