Home / 18,961.28-26,165.39-10,463.47

Finding the Fourth Proportional to 18,961.28, 26,165.39 and 10,463.47

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Solution

The fourth proportional to 18,961.28, 26,165.39 and 10,463.47 is: 14,438.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,961.28 : 26,165.39 = 10,463.47 : x
  2. Step 2: Convert to fraction form
    18,961.28/26,165.39 = 10,463.47/x
  3. Step 3: Cross multiply
    18,961.28x = 26,165.39 × 10,463.47
  4. Step 4: Simplify right side
    18,961.28x = 273,780,812.55
  5. Step 5: Solve for x
    x = 273,780,812.55/18,961.28
  6. Step 6: Final answer
    x = 14,438.94

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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.