Home / 13,301.26-19,908.32-7,288.17

Finding the Fourth Proportional to 13,301.26, 19,908.32 and 7,288.17

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Solution

The fourth proportional to 13,301.26, 19,908.32 and 7,288.17 is: 10,908.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.26 : 19,908.32 = 7,288.17 : x
  2. Step 2: Convert to fraction form
    13,301.26/19,908.32 = 7,288.17/x
  3. Step 3: Cross multiply
    13,301.26x = 19,908.32 × 7,288.17
  4. Step 4: Simplify right side
    13,301.26x = 145,095,174.14
  5. Step 5: Solve for x
    x = 145,095,174.14/13,301.26
  6. Step 6: Final answer
    x = 10,908.38

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1.5x scale

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.