Home / 13,293.06-18,344.64-7,324.68

Finding the Fourth Proportional to 13,293.06, 18,344.64 and 7,324.68

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Solution

The fourth proportional to 13,293.06, 18,344.64 and 7,324.68 is: 10,108.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.06 : 18,344.64 = 7,324.68 : x
  2. Step 2: Convert to fraction form
    13,293.06/18,344.64 = 7,324.68/x
  3. Step 3: Cross multiply
    13,293.06x = 18,344.64 × 7,324.68
  4. Step 4: Simplify right side
    13,293.06x = 134,368,617.72
  5. Step 5: Solve for x
    x = 134,368,617.72/13,293.06
  6. Step 6: Final answer
    x = 10,108.18

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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.