Home / 18,188.07-25,099.43-10,230.12

Finding the Fourth Proportional to 18,188.07, 25,099.43 and 10,230.12

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Solution

The fourth proportional to 18,188.07, 25,099.43 and 10,230.12 is: 14,117.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188.07 : 25,099.43 = 10,230.12 : x
  2. Step 2: Convert to fraction form
    18,188.07/25,099.43 = 10,230.12/x
  3. Step 3: Cross multiply
    18,188.07x = 25,099.43 × 10,230.12
  4. Step 4: Simplify right side
    18,188.07x = 256,770,180.83
  5. Step 5: Solve for x
    x = 256,770,180.83/18,188.07
  6. Step 6: Final answer
    x = 14,117.51

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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.