Home / 13,292.54-18,343.62-7,324.07

Finding the Fourth Proportional to 13,292.54, 18,343.62 and 7,324.07

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Solution

The fourth proportional to 13,292.54, 18,343.62 and 7,324.07 is: 10,107.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.54 : 18,343.62 = 7,324.07 : x
  2. Step 2: Convert to fraction form
    13,292.54/18,343.62 = 7,324.07/x
  3. Step 3: Cross multiply
    13,292.54x = 18,343.62 × 7,324.07
  4. Step 4: Simplify right side
    13,292.54x = 134,349,956.93
  5. Step 5: Solve for x
    x = 134,349,956.93/13,292.54
  6. Step 6: Final answer
    x = 10,107.17

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1.5x scale

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.