Home / 13,292.57-18,344.08-7,324.23

Finding the Fourth Proportional to 13,292.57, 18,344.08 and 7,324.23

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Solution

The fourth proportional to 13,292.57, 18,344.08 and 7,324.23 is: 10,107.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.57 : 18,344.08 = 7,324.23 : x
  2. Step 2: Convert to fraction form
    13,292.57/18,344.08 = 7,324.23/x
  3. Step 3: Cross multiply
    13,292.57x = 18,344.08 × 7,324.23
  4. Step 4: Simplify right side
    13,292.57x = 134,356,242.75
  5. Step 5: Solve for x
    x = 134,356,242.75/13,292.57
  6. Step 6: Final answer
    x = 10,107.62

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Double scale
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Similar ratio
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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.