Home / 17,824.81-26,731.81-7,434.13

Finding the Fourth Proportional to 17,824.81, 26,731.81 and 7,434.13

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Solution

The fourth proportional to 17,824.81, 26,731.81 and 7,434.13 is: 11,148.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,824.81 : 26,731.81 = 7,434.13 : x
  2. Step 2: Convert to fraction form
    17,824.81/26,731.81 = 7,434.13/x
  3. Step 3: Cross multiply
    17,824.81x = 26,731.81 × 7,434.13
  4. Step 4: Simplify right side
    17,824.81x = 198,727,579.85
  5. Step 5: Solve for x
    x = 198,727,579.85/17,824.81
  6. Step 6: Final answer
    x = 11,148.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.