Home / 18,233.64-25,162.11-10,683.81

Finding the Fourth Proportional to 18,233.64, 25,162.11 and 10,683.81

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Solution

The fourth proportional to 18,233.64, 25,162.11 and 10,683.81 is: 14,743.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,233.64 : 25,162.11 = 10,683.81 : x
  2. Step 2: Convert to fraction form
    18,233.64/25,162.11 = 10,683.81/x
  3. Step 3: Cross multiply
    18,233.64x = 25,162.11 × 10,683.81
  4. Step 4: Simplify right side
    18,233.64x = 268,827,202.44
  5. Step 5: Solve for x
    x = 268,827,202.44/18,233.64
  6. Step 6: Final answer
    x = 14,743.47

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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.