Home / 13,496.30-18,627.19-7,832.81

Finding the Fourth Proportional to 13,496.30, 18,627.19 and 7,832.81

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Solution

The fourth proportional to 13,496.30, 18,627.19 and 7,832.81 is: 10,810.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.30 : 18,627.19 = 7,832.81 : x
  2. Step 2: Convert to fraction form
    13,496.30/18,627.19 = 7,832.81/x
  3. Step 3: Cross multiply
    13,496.30x = 18,627.19 × 7,832.81
  4. Step 4: Simplify right side
    13,496.30x = 145,903,240.10
  5. Step 5: Solve for x
    x = 145,903,240.10/13,496.30
  6. Step 6: Final answer
    x = 10,810.61

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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.