Home / 13,018.17-19,531.05-4,698

Finding the Fourth Proportional to 13,018.17, 19,531.05 and 4,698

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Solution

The fourth proportional to 13,018.17, 19,531.05 and 4,698 is: 7,048.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.17 : 19,531.05 = 4,698 : x
  2. Step 2: Convert to fraction form
    13,018.17/19,531.05 = 4,698/x
  3. Step 3: Cross multiply
    13,018.17x = 19,531.05 × 4,698
  4. Step 4: Simplify right side
    13,018.17x = 91,756,872.90
  5. Step 5: Solve for x
    x = 91,756,872.90/13,018.17
  6. Step 6: Final answer
    x = 7,048.37

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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.