Home / 18,382.99-25,373.96-10,831.76

Finding the Fourth Proportional to 18,382.99, 25,373.96 and 10,831.76

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Solution

The fourth proportional to 18,382.99, 25,373.96 and 10,831.76 is: 14,951.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.99 : 25,373.96 = 10,831.76 : x
  2. Step 2: Convert to fraction form
    18,382.99/25,373.96 = 10,831.76/x
  3. Step 3: Cross multiply
    18,382.99x = 25,373.96 × 10,831.76
  4. Step 4: Simplify right side
    18,382.99x = 274,844,644.97
  5. Step 5: Solve for x
    x = 274,844,644.97/18,382.99
  6. Step 6: Final answer
    x = 14,951.03

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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.