Home / 13,292.30-18,343.46-7,324.02

Finding the Fourth Proportional to 13,292.30, 18,343.46 and 7,324.02

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Solution

The fourth proportional to 13,292.30, 18,343.46 and 7,324.02 is: 10,107.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.30 : 18,343.46 = 7,324.02 : x
  2. Step 2: Convert to fraction form
    13,292.30/18,343.46 = 7,324.02/x
  3. Step 3: Cross multiply
    13,292.30x = 18,343.46 × 7,324.02
  4. Step 4: Simplify right side
    13,292.30x = 134,347,886.22
  5. Step 5: Solve for x
    x = 134,347,886.22/13,292.30
  6. Step 6: Final answer
    x = 10,107.19

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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.