Home / 14,505.81-19,996.86-10,243.59

Finding the Fourth Proportional to 14,505.81, 19,996.86 and 10,243.59

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Solution

The fourth proportional to 14,505.81, 19,996.86 and 10,243.59 is: 14,121.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505.81 : 19,996.86 = 10,243.59 : x
  2. Step 2: Convert to fraction form
    14,505.81/19,996.86 = 10,243.59/x
  3. Step 3: Cross multiply
    14,505.81x = 19,996.86 × 10,243.59
  4. Step 4: Simplify right side
    14,505.81x = 204,839,635.13
  5. Step 5: Solve for x
    x = 204,839,635.13/14,505.81
  6. Step 6: Final answer
    x = 14,121.21

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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.