Home / 18,670.16-25,769.88-10,716.56

Finding the Fourth Proportional to 18,670.16, 25,769.88 and 10,716.56

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Solution

The fourth proportional to 18,670.16, 25,769.88 and 10,716.56 is: 14,791.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,670.16 : 25,769.88 = 10,716.56 : x
  2. Step 2: Convert to fraction form
    18,670.16/25,769.88 = 10,716.56/x
  3. Step 3: Cross multiply
    18,670.16x = 25,769.88 × 10,716.56
  4. Step 4: Simplify right side
    18,670.16x = 276,164,465.21
  5. Step 5: Solve for x
    x = 276,164,465.21/18,670.16
  6. Step 6: Final answer
    x = 14,791.76

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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.