Home / 13,292.88-18,343.35-7,324.22

Finding the Fourth Proportional to 13,292.88, 18,343.35 and 7,324.22

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Solution

The fourth proportional to 13,292.88, 18,343.35 and 7,324.22 is: 10,106.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.88 : 18,343.35 = 7,324.22 : x
  2. Step 2: Convert to fraction form
    13,292.88/18,343.35 = 7,324.22/x
  3. Step 3: Cross multiply
    13,292.88x = 18,343.35 × 7,324.22
  4. Step 4: Simplify right side
    13,292.88x = 134,350,639.22
  5. Step 5: Solve for x
    x = 134,350,639.22/13,292.88
  6. Step 6: Final answer
    x = 10,106.96

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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.