Home / 18,285.28-25,232.38-10,627.81

Finding the Fourth Proportional to 18,285.28, 25,232.38 and 10,627.81

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Solution

The fourth proportional to 18,285.28, 25,232.38 and 10,627.81 is: 14,665.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,285.28 : 25,232.38 = 10,627.81 : x
  2. Step 2: Convert to fraction form
    18,285.28/25,232.38 = 10,627.81/x
  3. Step 3: Cross multiply
    18,285.28x = 25,232.38 × 10,627.81
  4. Step 4: Simplify right side
    18,285.28x = 268,164,850.84
  5. Step 5: Solve for x
    x = 268,164,850.84/18,285.28
  6. Step 6: Final answer
    x = 14,665.62

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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.