Home / 13,856.04-19,121.04-7,568.44

Finding the Fourth Proportional to 13,856.04, 19,121.04 and 7,568.44

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Solution

The fourth proportional to 13,856.04, 19,121.04 and 7,568.44 is: 10,444.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856.04 : 19,121.04 = 7,568.44 : x
  2. Step 2: Convert to fraction form
    13,856.04/19,121.04 = 7,568.44/x
  3. Step 3: Cross multiply
    13,856.04x = 19,121.04 × 7,568.44
  4. Step 4: Simplify right side
    13,856.04x = 144,716,443.98
  5. Step 5: Solve for x
    x = 144,716,443.98/13,856.04
  6. Step 6: Final answer
    x = 10,444.29

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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.