Home / 18,572.28-25,629.78-10,188.84

Finding the Fourth Proportional to 18,572.28, 25,629.78 and 10,188.84

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Solution

The fourth proportional to 18,572.28, 25,629.78 and 10,188.84 is: 14,060.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.28 : 25,629.78 = 10,188.84 : x
  2. Step 2: Convert to fraction form
    18,572.28/25,629.78 = 10,188.84/x
  3. Step 3: Cross multiply
    18,572.28x = 25,629.78 × 10,188.84
  4. Step 4: Simplify right side
    18,572.28x = 261,137,727.66
  5. Step 5: Solve for x
    x = 261,137,727.66/18,572.28
  6. Step 6: Final answer
    x = 14,060.62

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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.