Home / 19,376.53-29,040.42-10,491.51

Finding the Fourth Proportional to 19,376.53, 29,040.42 and 10,491.51

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Solution

The fourth proportional to 19,376.53, 29,040.42 and 10,491.51 is: 15,724.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,376.53 : 29,040.42 = 10,491.51 : x
  2. Step 2: Convert to fraction form
    19,376.53/29,040.42 = 10,491.51/x
  3. Step 3: Cross multiply
    19,376.53x = 29,040.42 × 10,491.51
  4. Step 4: Simplify right side
    19,376.53x = 304,677,711.63
  5. Step 5: Solve for x
    x = 304,677,711.63/19,376.53
  6. Step 6: Final answer
    x = 15,724.06

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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.