Home / 14,947.27-20,627.60-8,233.12

Finding the Fourth Proportional to 14,947.27, 20,627.60 and 8,233.12

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Solution

The fourth proportional to 14,947.27, 20,627.60 and 8,233.12 is: 11,361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947.27 : 20,627.60 = 8,233.12 : x
  2. Step 2: Convert to fraction form
    14,947.27/20,627.60 = 8,233.12/x
  3. Step 3: Cross multiply
    14,947.27x = 20,627.60 × 8,233.12
  4. Step 4: Simplify right side
    14,947.27x = 169,829,361.81
  5. Step 5: Solve for x
    x = 169,829,361.81/14,947.27
  6. Step 6: Final answer
    x = 11,361.90

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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.