Home / 17,982.81-24,825.08-13,940.71

Finding the Fourth Proportional to 17,982.81, 24,825.08 and 13,940.71

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Solution

The fourth proportional to 17,982.81, 24,825.08 and 13,940.71 is: 19,245.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,982.81 : 24,825.08 = 13,940.71 : x
  2. Step 2: Convert to fraction form
    17,982.81/24,825.08 = 13,940.71/x
  3. Step 3: Cross multiply
    17,982.81x = 24,825.08 × 13,940.71
  4. Step 4: Simplify right side
    17,982.81x = 346,079,213.80
  5. Step 5: Solve for x
    x = 346,079,213.80/17,982.81
  6. Step 6: Final answer
    x = 19,245.00

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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.