Home / 13,886.28-20,831.57-4,524.10

Finding the Fourth Proportional to 13,886.28, 20,831.57 and 4,524.10

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Solution

The fourth proportional to 13,886.28, 20,831.57 and 4,524.10 is: 6,786.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.28 : 20,831.57 = 4,524.10 : x
  2. Step 2: Convert to fraction form
    13,886.28/20,831.57 = 4,524.10/x
  3. Step 3: Cross multiply
    13,886.28x = 20,831.57 × 4,524.10
  4. Step 4: Simplify right side
    13,886.28x = 94,244,105.84
  5. Step 5: Solve for x
    x = 94,244,105.84/13,886.28
  6. Step 6: Final answer
    x = 6,786.85

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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.