Home / 18,448.16-25,462.62-11,728.53

Finding the Fourth Proportional to 18,448.16, 25,462.62 and 11,728.53

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Solution

The fourth proportional to 18,448.16, 25,462.62 and 11,728.53 is: 16,188.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.16 : 25,462.62 = 11,728.53 : x
  2. Step 2: Convert to fraction form
    18,448.16/25,462.62 = 11,728.53/x
  3. Step 3: Cross multiply
    18,448.16x = 25,462.62 × 11,728.53
  4. Step 4: Simplify right side
    18,448.16x = 298,639,102.55
  5. Step 5: Solve for x
    x = 298,639,102.55/18,448.16
  6. Step 6: Final answer
    x = 16,188.02

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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.