Home / 13,983.10-19,296.50-7,934.46

Finding the Fourth Proportional to 13,983.10, 19,296.50 and 7,934.46

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Solution

The fourth proportional to 13,983.10, 19,296.50 and 7,934.46 is: 10,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.10 : 19,296.50 = 7,934.46 : x
  2. Step 2: Convert to fraction form
    13,983.10/19,296.50 = 7,934.46/x
  3. Step 3: Cross multiply
    13,983.10x = 19,296.50 × 7,934.46
  4. Step 4: Simplify right side
    13,983.10x = 153,107,195.36
  5. Step 5: Solve for x
    x = 153,107,195.36/13,983.10
  6. Step 6: Final answer
    x = 10,949.45

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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.