Home / 16,831.32-25,247.12-5,144.76

Finding the Fourth Proportional to 16,831.32, 25,247.12 and 5,144.76

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Solution

The fourth proportional to 16,831.32, 25,247.12 and 5,144.76 is: 7,717.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831.32 : 25,247.12 = 5,144.76 : x
  2. Step 2: Convert to fraction form
    16,831.32/25,247.12 = 5,144.76/x
  3. Step 3: Cross multiply
    16,831.32x = 25,247.12 × 5,144.76
  4. Step 4: Simplify right side
    16,831.32x = 129,890,373.09
  5. Step 5: Solve for x
    x = 129,890,373.09/16,831.32
  6. Step 6: Final answer
    x = 7,717.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.